31879029

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6869}}^1$

素因数の和:6909

約数の個数: 32

約数和(自身を含む): 55399680

約数和(自身を除く): 23520651

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 6869, 20607, 48083, 89297, 116773, 144249, 267891, 350319, 625079, 817411, 1518049, 1875237, 2452233, 4554147, 10626343, 31879029]

約数ペア:

[(1, 31879029), (3, 10626343), (7, 4554147), (13, 2452233), (17, 1875237), (21, 1518049), (39, 817411), (51, 625079), (91, 350319), (119, 267891), (221, 144249), (273, 116773), (357, 89297), (663, 48083), (1547, 20607), (4641, 6869)]