16865121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 27919360

約数和(自身を除く): 11054239

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 379, 489, 1137, 1141, 2119, 2653, 3423, 4927, 6357, 7959, 14781, 14833, 34489, 44499, 61777, 103467, 185331, 432439, 803101, 1297317, 2409303, 5621707, 16865121]

約数ペア:

[(1, 16865121), (3, 5621707), (7, 2409303), (13, 1297317), (21, 803101), (39, 432439), (91, 185331), (163, 103467), (273, 61777), (379, 44499), (489, 34489), (1137, 14833), (1141, 14781), (2119, 7959), (2653, 6357), (3423, 4927)]