A number N when factorized can be written as N=P(1)^4 X P(2)^3 X P(3)^7Find the number of perfect squares which are factors of N. (The three prime numbers P1, P2, P3 > 2).Can someone explain solution of this?

A number N when factorized can be written as N=P(1)^4 X P(2)^3 X P(3)^7Find the number of perfect squares which are factors of N. (The three prime numbers P1, P2, P3 > 2).Can someone explain solution of this?