16992225

素因数分解:

$3^2\times 5^2\times {\mathrm{75521}}^1$

素因数の和:75537

約数の個数: 18

約数和(自身を含む): 30435366

約数和(自身を除く): 13443141

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 75521, 226563, 377605, 679689, 1132815, 1888025, 3398445, 5664075, 16992225]

約数ペア:

[(1, 16992225), (3, 5664075), (5, 3398445), (9, 1888025), (15, 1132815), (25, 679689), (45, 377605), (75, 226563), (225, 75521)]