Thursday
March 26, 2015

Homework Help: maths

Posted by Anonymous1 on Friday, February 8, 2013 at 12:52am.

Let σ(n) be the sum of the positive divisors of an integer n and ϕ(n) be the number of positive integers smaller than n that are coprime to n. If p is a prime number, what is the maximum value σ(p)ϕ(p)?

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