12855115

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 19998720

約数和(自身を除く): 7143605

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1487, 1729, 7435, 8645, 10409, 19331, 28253, 52045, 96655, 135317, 141265, 197771, 367289, 676585, 988855, 1836445, 2571023, 12855115]

約数ペア:

[(1, 12855115), (5, 2571023), (7, 1836445), (13, 988855), (19, 676585), (35, 367289), (65, 197771), (91, 141265), (95, 135317), (133, 96655), (247, 52045), (455, 28253), (665, 19331), (1235, 10409), (1487, 8645), (1729, 7435)]