15721207051

素因数分解:

${\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{3911}}^1$

素因数の和:4311

約数の個数: 24

約数和(自身を含む): 17481945600

約数和(自身を除く): 1760738549

約数列:

[1, 11, 121, 139, 239, 1529, 2629, 3911, 16819, 28919, 33221, 43021, 365431, 473231, 543629, 934729, 4019741, 5979919, 10282019, 65779109, 113102209, 129927331, 1429200641, 15721207051]

約数ペア:

[(1, 15721207051), (11, 1429200641), (121, 129927331), (139, 113102209), (239, 65779109), (1529, 10282019), (2629, 5979919), (3911, 4019741), (16819, 934729), (28919, 543629), (33221, 473231), (43021, 365431)]