9917721

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{11131}}^1$

素因数の和:11154

約数の個数: 20

約数和(自身を含む): 16163664

約数和(自身を除く): 6245943

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 11131, 33393, 100179, 122441, 300537, 367323, 901611, 1101969, 3305907, 9917721]

約数ペア:

[(1, 9917721), (3, 3305907), (9, 1101969), (11, 901611), (27, 367323), (33, 300537), (81, 122441), (99, 100179), (297, 33393), (891, 11131)]