61202025

素因数分解:

$3^2\times 5^2\times {\mathrm{272009}}^1$

素因数の和:272025

約数の個数: 18

約数和(自身を含む): 109620030

約数和(自身を除く): 48418005

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 272009, 816027, 1360045, 2448081, 4080135, 6800225, 12240405, 20400675, 61202025]

約数ペア:

[(1, 61202025), (3, 20400675), (5, 12240405), (9, 6800225), (15, 4080135), (25, 2448081), (45, 1360045), (75, 816027), (225, 272009)]