78859692009

素因数分解:

$3^2\times 7^1\times {\mathrm{1251741143}}^1$

素因数の和:1251741156

約数の個数: 12

約数和(自身を含む): 130181078976

約数和(自身を除く): 51321386967

約数列:

[1, 3, 7, 9, 21, 63, 1251741143, 3755223429, 8762188001, 11265670287, 26286564003, 78859692009]

約数ペア:

[(1, 78859692009), (3, 26286564003), (7, 11265670287), (9, 8762188001), (21, 3755223429), (63, 1251741143)]