56421309

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 88418304

約数和(自身を除く): 31996995

約数列:

[1, 3, 7, 21, 53, 159, 163, 311, 371, 489, 933, 1113, 1141, 2177, 3423, 6531, 8639, 16483, 25917, 49449, 50693, 60473, 115381, 152079, 181419, 346143, 354851, 1064553, 2686729, 8060187, 18807103, 56421309]

約数ペア:

[(1, 56421309), (3, 18807103), (7, 8060187), (21, 2686729), (53, 1064553), (159, 354851), (163, 346143), (311, 181419), (371, 152079), (489, 115381), (933, 60473), (1113, 50693), (1141, 49449), (2177, 25917), (3423, 16483), (6531, 8639)]