MathDB

3

Part of 1999 Canada National Olympiad

Problems(1)

Find n if n = (d(n))^2

Source: Canada 1999

3/4/2006
Determine all positive integers nn with the property that n=(d(n))2n = (d(n))^2. Here d(n)d(n) denotes the number of positive divisors of nn.
number theory