639472419

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{511169}}^1$

素因数の和:511314

約数の個数: 12

約数和(自身を含む): 930329400

約数和(自身を除く): 290856981

約数列:

[1, 3, 9, 139, 417, 1251, 511169, 1533507, 4600521, 71052491, 213157473, 639472419]

約数ペア:

[(1, 639472419), (3, 213157473), (9, 71052491), (139, 4600521), (417, 1533507), (1251, 511169)]