90163521

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7907}}^1$

素因数の和:8101

約数の個数: 24

約数和(自身を含む): 149682624

約数和(自身を除く): 59519103

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 7907, 11403, 23721, 55349, 71163, 166047, 498141, 1431167, 4293501, 10018169, 12880503, 30054507, 90163521]

約数ペア:

[(1, 90163521), (3, 30054507), (7, 12880503), (9, 10018169), (21, 4293501), (63, 1431167), (181, 498141), (543, 166047), (1267, 71163), (1629, 55349), (3801, 23721), (7907, 11403)]