71872029

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{2281}}^1$

素因数の和:2682

約数の個数: 20

約数和(自身を含む): 107687580

約数和(自身を除く): 35815551

約数列:

[1, 3, 9, 27, 81, 389, 1167, 2281, 3501, 6843, 10503, 20529, 31509, 61587, 184761, 887309, 2661927, 7985781, 23957343, 71872029]

約数ペア:

[(1, 71872029), (3, 23957343), (9, 7985781), (27, 2661927), (81, 887309), (389, 184761), (1167, 61587), (2281, 31509), (3501, 20529), (6843, 10503)]