12782511

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1481}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 21269664

約数和(自身を除く): 8487153

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 1481, 2877, 4443, 8631, 10367, 13329, 31101, 93303, 202897, 608691, 1420279, 1826073, 4260837, 12782511]

約数ペア:

[(1, 12782511), (3, 4260837), (7, 1826073), (9, 1420279), (21, 608691), (63, 202897), (137, 93303), (411, 31101), (959, 13329), (1233, 10367), (1481, 8631), (2877, 4443)]