MathDB

2

Part of 2001 Korea Junior Math Olympiad

Problems(1)

KJMO 2001 P2

Source: KJMO 2001

6/29/2024
nn is a product of some two consecutive primes. s(n)s(n) denotes the sum of the divisors of nn and p(n)p(n) denotes the number of relatively prime positive integers not exceeding nn. Express s(n)p(n)s(n)p(n) as a polynomial of nn.
number theoryrelatively primealgebrapolynomial