28729215

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1531}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 51475200

約数和(自身を除く): 22745985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1251, 1531, 2085, 3753, 4593, 6255, 7655, 13779, 18765, 22965, 41337, 68895, 206685, 212809, 638427, 1064045, 1915281, 3192135, 5745843, 9576405, 28729215]

約数ペア:

[(1, 28729215), (3, 9576405), (5, 5745843), (9, 3192135), (15, 1915281), (27, 1064045), (45, 638427), (135, 212809), (139, 206685), (417, 68895), (695, 41337), (1251, 22965), (1531, 18765), (2085, 13779), (3753, 7655), (4593, 6255)]