3990942

素因数分解:

$2^1\times 3^2\times {\mathrm{221719}}^1$

素因数の和:221727

約数の個数: 12

約数和(自身を含む): 8647080

約数和(自身を除く): 4656138

約数列:

[1, 2, 3, 6, 9, 18, 221719, 443438, 665157, 1330314, 1995471, 3990942]

約数ペア:

[(1, 3990942), (2, 1995471), (3, 1330314), (6, 665157), (9, 443438), (18, 221719)]