1978893

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 3309696

約数和(自身を除く): 1330803

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 311, 707, 909, 933, 2121, 2177, 2799, 6363, 6531, 19593, 31411, 94233, 219877, 282699, 659631, 1978893]

約数ペア:

[(1, 1978893), (3, 659631), (7, 282699), (9, 219877), (21, 94233), (63, 31411), (101, 19593), (303, 6531), (311, 6363), (707, 2799), (909, 2177), (933, 2121)]