17988831

素因数分解:

$3^3\times 7^2\times {\mathrm{13597}}^1$

素因数の和:13620

約数の個数: 24

約数和(自身を含む): 31003440

約数和(自身を除く): 13014609

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13597, 40791, 95179, 122373, 285537, 367119, 666253, 856611, 1998759, 2569833, 5996277, 17988831]

約数ペア:

[(1, 17988831), (3, 5996277), (7, 2569833), (9, 1998759), (21, 856611), (27, 666253), (49, 367119), (63, 285537), (147, 122373), (189, 95179), (441, 40791), (1323, 13597)]