404480979

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{22063}}^1$

素因数の和:22176

約数の個数: 32

約数和(自身を含む): 691927040

約数和(自身を除く): 287446061

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 2037, 2619, 6111, 18333, 22063, 66189, 154441, 198567, 463323, 595701, 1389969, 2140111, 4169907, 6420333, 14980777, 19260999, 44942331, 57782997, 134826993, 404480979]

約数ペア:

[(1, 404480979), (3, 134826993), (7, 57782997), (9, 44942331), (21, 19260999), (27, 14980777), (63, 6420333), (97, 4169907), (189, 2140111), (291, 1389969), (679, 595701), (873, 463323), (2037, 198567), (2619, 154441), (6111, 66189), (18333, 22063)]