18181107

素因数分解:

$3^2\times 7^2\times {\mathrm{41227}}^1$

素因数の和:41247

約数の個数: 18

約数和(自身を含む): 30549948

約数和(自身を除く): 12368841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 41227, 123681, 288589, 371043, 865767, 2020123, 2597301, 6060369, 18181107]

約数ペア:

[(1, 18181107), (3, 6060369), (7, 2597301), (9, 2020123), (21, 865767), (49, 371043), (63, 288589), (147, 123681), (441, 41227)]