804589407

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{20747}}^1$

素因数の和:20923

約数の個数: 24

約数和(自身を含む): 1208363520

約数和(自身を除く): 403774113

約数列:

[1, 3, 9, 31, 93, 139, 279, 417, 1251, 4309, 12927, 20747, 38781, 62241, 186723, 643157, 1929471, 2883833, 5788413, 8651499, 25954497, 89398823, 268196469, 804589407]

約数ペア:

[(1, 804589407), (3, 268196469), (9, 89398823), (31, 25954497), (93, 8651499), (139, 5788413), (279, 2883833), (417, 1929471), (1251, 643157), (4309, 186723), (12927, 62241), (20747, 38781)]