639777633

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1020379}}^1$

素因数の和:1020412

約数の個数: 16

約数和(自身を含む): 979564800

約数和(自身を除く): 339787167

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 1020379, 3061137, 11224169, 19387201, 33672507, 58161603, 213259211, 639777633]

約数ペア:

[(1, 639777633), (3, 213259211), (11, 58161603), (19, 33672507), (33, 19387201), (57, 11224169), (209, 3061137), (627, 1020379)]