647270403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1\times {\mathrm{719}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 955100160

約数和(自身を除く): 307829757

約数列:

[1, 3, 13, 39, 41, 123, 533, 563, 719, 1599, 1689, 2157, 7319, 9347, 21957, 23083, 28041, 29479, 69249, 88437, 300079, 383227, 404797, 900237, 1149681, 1214391, 5262361, 15787083, 16596677, 49790031, 215756801, 647270403]

約数ペア:

[(1, 647270403), (3, 215756801), (13, 49790031), (39, 16596677), (41, 15787083), (123, 5262361), (533, 1214391), (563, 1149681), (719, 900237), (1599, 404797), (1689, 383227), (2157, 300079), (7319, 88437), (9347, 69249), (21957, 29479), (23083, 28041)]