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June 25, 2016
Posted by **Mathslover** on Tuesday, June 4, 2013 at 1:17am.

The number of divisors of N is A.

The number of divisors of A is B.

The number of divisors of B is C.

The number of divisors of C is 3.

Details and assumptions

The divisors include 1 and the number itself. For example, the number of divisors of 10 is 4.

- Math -
**MathMate**, Tuesday, June 4, 2013 at 6:55amI have one feasible solution, not sure if it is optimal. You can find others for a check along the same lines.

C=4, 3 factors: 1,2,4

B=6, 4 factors: 1,2,3,6

A=12,6 factors: 1,2,3,4,6,12

N=72,12 factors: 1,2,3,4,6,8,9,12,18,24,36,72 - Math -
**john**, Thursday, June 6, 2013 at 4:04amits wrong

- Math -
**Calvin Lin**, Sunday, June 9, 2013 at 1:41pmThis is your last warning, mathslover. We have been able to pinpoint your brilliant account, and if you keep on posting Brilliant questions here your account will be terminated.

-Calvin Lin

Brilliant Maths Challenge Master