28455675

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12239}}^1$

素因数の和:12283

約数の個数: 24

約数和(自身を含む): 48568320

約数和(自身を除く): 20112645

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 12239, 36717, 61195, 183585, 305975, 379409, 917925, 1138227, 1897045, 5691135, 9485225, 28455675]

約数ペア:

[(1, 28455675), (3, 9485225), (5, 5691135), (15, 1897045), (25, 1138227), (31, 917925), (75, 379409), (93, 305975), (155, 183585), (465, 61195), (775, 36717), (2325, 12239)]