687090261

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1601609}}^1$

素因数の和:1601636

約数の個数: 16

約数和(自身を含む): 1076281920

約数和(自身を除く): 389191659

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 1601609, 4804827, 17617699, 20820917, 52853097, 62462751, 229030087, 687090261]

約数ペア:

[(1, 687090261), (3, 229030087), (11, 62462751), (13, 52853097), (33, 20820917), (39, 17617699), (143, 4804827), (429, 1601609)]