81942289

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 98067816

約数和(自身を除く): 16125527

約数列:

[1, 11, 13, 113, 121, 143, 461, 1243, 1469, 1573, 5071, 5993, 13673, 16159, 52093, 55781, 65923, 177749, 573023, 677209, 725153, 6303253, 7449299, 81942289]

約数ペア:

[(1, 81942289), (11, 7449299), (13, 6303253), (113, 725153), (121, 677209), (143, 573023), (461, 177749), (1243, 65923), (1469, 55781), (1573, 52093), (5071, 16159), (5993, 13673)]