7808643

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:808

約数の個数: 20

約数和(自身を含む): 11761200

約数和(自身を除く): 3952557

約数列:

[1, 3, 9, 27, 81, 149, 447, 647, 1341, 1941, 4023, 5823, 12069, 17469, 52407, 96403, 289209, 867627, 2602881, 7808643]

約数ペア:

[(1, 7808643), (3, 2602881), (9, 867627), (27, 289209), (81, 96403), (149, 52407), (447, 17469), (647, 12069), (1341, 5823), (1941, 4023)]