CMO 1999 Problem 3

Determine all positive integers $n$ with the property that $n = (d(n))^2$ . Here $d(n)$ denotes the number of positive divisors of $n$ .

Dataset text AI-MO AoPS. Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.