81786123

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 120255408

約数和(自身を除く): 38469285

約数列:

[1, 3, 9, 113, 137, 339, 411, 587, 1017, 1233, 1761, 5283, 15481, 46443, 66331, 80419, 139329, 198993, 241257, 596979, 723771, 9087347, 27262041, 81786123]

約数ペア:

[(1, 81786123), (3, 27262041), (9, 9087347), (113, 723771), (137, 596979), (339, 241257), (411, 198993), (587, 139329), (1017, 80419), (1233, 66331), (1761, 46443), (5283, 15481)]