90204639

素因数分解:

$3^1\times 7^2\times {\mathrm{613637}}^1$

素因数の和:613654

約数の個数: 12

約数和(自身を含む): 139909464

約数和(自身を除く): 49704825

約数列:

[1, 3, 7, 21, 49, 147, 613637, 1840911, 4295459, 12886377, 30068213, 90204639]

約数ペア:

[(1, 90204639), (3, 30068213), (7, 12886377), (21, 4295459), (49, 1840911), (147, 613637)]