426521781

素因数分解:

$3^4\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2131}}^1$

素因数の和:2503

約数の個数: 40

約数和(自身を含む): 730576704

約数和(自身を除く): 304054923

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 353, 567, 1059, 2131, 2471, 3177, 6393, 7413, 9531, 14917, 19179, 22239, 28593, 44751, 57537, 66717, 134253, 172611, 200151, 402759, 752243, 1208277, 2256729, 5265701, 6770187, 15797103, 20310561, 47391309, 60931683, 142173927, 426521781]

約数ペア:

[(1, 426521781), (3, 142173927), (7, 60931683), (9, 47391309), (21, 20310561), (27, 15797103), (63, 6770187), (81, 5265701), (189, 2256729), (353, 1208277), (567, 752243), (1059, 402759), (2131, 200151), (2471, 172611), (3177, 134253), (6393, 66717), (7413, 57537), (9531, 44751), (14917, 28593), (19179, 22239)]