639202317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{125113}}^1$

素因数の和:125260

約数の個数: 16

約数和(自身を含む): 924842688

約数和(自身を除く): 285640371

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 125113, 375339, 1626469, 4879407, 16389803, 49169409, 213067439, 639202317]

約数ペア:

[(1, 639202317), (3, 213067439), (13, 49169409), (39, 16389803), (131, 4879407), (393, 1626469), (1703, 375339), (5109, 125113)]