80686021941

素因数分解:

$3^3\times 7^2\times {\mathrm{60987167}}^1$

素因数の和:60987190

約数の個数: 24

約数和(自身を含む): 139050743040

約数和(自身を除く): 58364721099

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 60987167, 182961501, 426910169, 548884503, 1280730507, 1646653509, 2988371183, 3842191521, 8965113549, 11526574563, 26895340647, 80686021941]

約数ペア:

[(1, 80686021941), (3, 26895340647), (7, 11526574563), (9, 8965113549), (21, 3842191521), (27, 2988371183), (49, 1646653509), (63, 1280730507), (147, 548884503), (189, 426910169), (441, 182961501), (1323, 60987167)]