81068975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5801}}^1$

素因数の和:5867

約数の個数: 24

約数和(自身を含む): 110794992

約数和(自身を除く): 29726017

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2795, 5801, 13975, 29005, 75413, 145025, 249443, 377065, 1247215, 1885325, 3242759, 6236075, 16213795, 81068975]

約数ペア:

[(1, 81068975), (5, 16213795), (13, 6236075), (25, 3242759), (43, 1885325), (65, 1247215), (215, 377065), (325, 249443), (559, 145025), (1075, 75413), (2795, 29005), (5801, 13975)]