18320169

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{7331}}^1$

素因数の和:7365

約数の個数: 24

約数和(自身を含む): 30090528

約数和(自身を除く): 11770359

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 7331, 21993, 51317, 124627, 153951, 359219, 373881, 872389, 1077657, 2617167, 6106723, 18320169]

約数ペア:

[(1, 18320169), (3, 6106723), (7, 2617167), (17, 1077657), (21, 872389), (49, 373881), (51, 359219), (119, 153951), (147, 124627), (357, 51317), (833, 21993), (2499, 7331)]