8991939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{523}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 13129344

約数和(自身を除く): 4137405

約数列:

[1, 3, 11, 33, 521, 523, 1563, 1569, 5731, 5753, 17193, 17259, 272483, 817449, 2997313, 8991939]

約数ペア:

[(1, 8991939), (3, 2997313), (11, 817449), (33, 272483), (521, 17259), (523, 17193), (1563, 5753), (1569, 5731)]