12221385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4357}}^1$

素因数の和:4393

約数の個数: 32

約数和(自身を含む): 22591872

約数和(自身を除く): 10370487

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 4357, 13071, 21785, 47927, 65355, 74069, 143781, 222207, 239635, 370345, 718905, 814759, 1111035, 2444277, 4073795, 12221385]

約数ペア:

[(1, 12221385), (3, 4073795), (5, 2444277), (11, 1111035), (15, 814759), (17, 718905), (33, 370345), (51, 239635), (55, 222207), (85, 143781), (165, 74069), (187, 65355), (255, 47927), (561, 21785), (935, 13071), (2805, 4357)]