638181837

素因数分解:

$3^2\times {\mathrm{1613}}^1\times {\mathrm{43961}}^1$

素因数の和:45580

約数の個数: 12

約数和(自身を含む): 922410684

約数和(自身を除く): 284228847

約数列:

[1, 3, 9, 1613, 4839, 14517, 43961, 131883, 395649, 70909093, 212727279, 638181837]

約数ペア:

[(1, 638181837), (3, 212727279), (9, 70909093), (1613, 395649), (4839, 131883), (14517, 43961)]