81325761

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^2\times {\mathrm{193}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 119966496

約数和(自身を除く): 38640735

約数列:

[1, 3, 11, 33, 113, 193, 339, 579, 1243, 2123, 3729, 6369, 12769, 21809, 38307, 65427, 140459, 239899, 421377, 719697, 2464417, 7393251, 27108587, 81325761]

約数ペア:

[(1, 81325761), (3, 27108587), (11, 7393251), (33, 2464417), (113, 719697), (193, 421377), (339, 239899), (579, 140459), (1243, 65427), (2123, 38307), (3729, 21809), (6369, 12769)]