8120511

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 13507104

約数和(自身を除く): 5386593

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 821, 1099, 1413, 2463, 3297, 5747, 7389, 9891, 17241, 51723, 128897, 386691, 902279, 1160073, 2706837, 8120511]

約数ペア:

[(1, 8120511), (3, 2706837), (7, 1160073), (9, 902279), (21, 386691), (63, 128897), (157, 51723), (471, 17241), (821, 9891), (1099, 7389), (1413, 5747), (2463, 3297)]