Question

I am trying to find the general form for a function that multiplies all the divisors of a number.

Answer 1

I will use psi to denote this new function and for example, \[\Large \psi(6)=1*2*3*6\] it's similar to \[\Large \sigma(6)=1+2+3+6\]

Answer 2

http://planetmath.org/productofdivisorsfunction

Answer 3

Ah perfect, thanks!