218225511

素因数分解:

$3^2\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{3433}}^1$

素因数の和:4455

約数の個数: 24

約数和(自身を含む): 360707360

約数和(自身を除く): 142481849

約数列:

[1, 3, 7, 9, 21, 63, 1009, 3027, 3433, 7063, 9081, 10299, 21189, 24031, 30897, 63567, 72093, 216279, 3463897, 10391691, 24247279, 31175073, 72741837, 218225511]

約数ペア:

[(1, 218225511), (3, 72741837), (7, 31175073), (9, 24247279), (21, 10391691), (63, 3463897), (1009, 216279), (3027, 72093), (3433, 63567), (7063, 30897), (9081, 24031), (10299, 21189)]