8242731

素因数分解:

$3^2\times 7^2\times {\mathrm{18691}}^1$

素因数の和:18711

約数の個数: 18

約数和(自身を含む): 13850772

約数和(自身を除く): 5608041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 18691, 56073, 130837, 168219, 392511, 915859, 1177533, 2747577, 8242731]

約数ペア:

[(1, 8242731), (3, 2747577), (7, 1177533), (9, 915859), (21, 392511), (49, 168219), (63, 130837), (147, 56073), (441, 18691)]