17912921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 20020224

約数和(自身を除く): 2107303

約数列:

[1, 13, 37, 167, 223, 481, 2171, 2899, 6179, 8251, 37241, 80327, 107263, 484133, 1377917, 17912921]

約数ペア:

[(1, 17912921), (13, 1377917), (37, 484133), (167, 107263), (223, 80327), (481, 37241), (2171, 8251), (2899, 6179)]