15721277

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 4600003

約数列:

[1, 11, 13, 17, 29, 143, 187, 221, 223, 319, 377, 493, 2431, 2453, 2899, 3791, 4147, 5423, 6409, 6467, 31889, 41701, 49283, 70499, 71137, 84071, 109939, 542113, 924781, 1209329, 1429207, 15721277]

約数ペア:

[(1, 15721277), (11, 1429207), (13, 1209329), (17, 924781), (29, 542113), (143, 109939), (187, 84071), (221, 71137), (223, 70499), (319, 49283), (377, 41701), (493, 31889), (2431, 6467), (2453, 6409), (2899, 5423), (3791, 4147)]