product of (divisor +1)'s, is divided by product of divisors
Source: St. peterburg 2016 10.1
May 1, 2019
number theoryProductProductsDivisors
Problem Statement
Sasha multiplied all the divisors of the natural number . Fedya increased each divider by , and then multiplied the results. If the product found Fedya is divided by the product found by Sasha , what can be equal to ?