31298805

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:835

約数の個数: 40

約数和(自身を含む): 56700600

約数和(自身を除く): 25401795

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 709, 981, 1635, 2127, 2943, 3545, 4905, 6381, 8829, 10635, 14715, 19143, 31905, 44145, 57429, 77281, 95715, 231843, 287145, 386405, 695529, 1159215, 2086587, 3477645, 6259761, 10432935, 31298805]

約数ペア:

[(1, 31298805), (3, 10432935), (5, 6259761), (9, 3477645), (15, 2086587), (27, 1159215), (45, 695529), (81, 386405), (109, 287145), (135, 231843), (327, 95715), (405, 77281), (545, 57429), (709, 44145), (981, 31905), (1635, 19143), (2127, 14715), (2943, 10635), (3545, 8829), (4905, 6381)]