68999445

素因数分解:

$3^4\times 5^1\times {\mathrm{170369}}^1$

素因数の和:170386

約数の個数: 20

約数和(自身を含む): 123688620

約数和(自身を除く): 54689175

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 170369, 511107, 851845, 1533321, 2555535, 4599963, 7666605, 13799889, 22999815, 68999445]

約数ペア:

[(1, 68999445), (3, 22999815), (5, 13799889), (9, 7666605), (15, 4599963), (27, 2555535), (45, 1533321), (81, 851845), (135, 511107), (405, 170369)]