289908075

素因数分解:

$3^1\times 5^2\times {\mathrm{449}}^1\times {\mathrm{8609}}^1$

素因数の和:9071

約数の個数: 24

約数和(自身を含む): 480438000

約数和(自身を除く): 190529925

約数列:

[1, 3, 5, 15, 25, 75, 449, 1347, 2245, 6735, 8609, 11225, 25827, 33675, 43045, 129135, 215225, 645675, 3865441, 11596323, 19327205, 57981615, 96636025, 289908075]

約数ペア:

[(1, 289908075), (3, 96636025), (5, 57981615), (15, 19327205), (25, 11596323), (75, 3865441), (449, 645675), (1347, 215225), (2245, 129135), (6735, 43045), (8609, 33675), (11225, 25827)]