680169

素因数分解:

$3^1\times 7^3\times {\mathrm{661}}^1$

素因数の和:685

約数の個数: 16

約数和(自身を含む): 1059200

約数和(自身を除く): 379031

約数列:

[1, 3, 7, 21, 49, 147, 343, 661, 1029, 1983, 4627, 13881, 32389, 97167, 226723, 680169]

約数ペア:

[(1, 680169), (3, 226723), (7, 97167), (21, 32389), (49, 13881), (147, 4627), (343, 1983), (661, 1029)]