8280405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 16633344

約数和(自身を除く): 8352939

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 97, 105, 271, 291, 315, 485, 679, 813, 873, 1355, 1455, 1897, 2037, 2439, 3395, 4065, 4365, 5691, 6111, 9485, 10185, 12195, 17073, 26287, 28455, 30555, 78861, 85365, 131435, 184009, 236583, 394305, 552027, 920045, 1182915, 1656081, 2760135, 8280405]

約数ペア:

[(1, 8280405), (3, 2760135), (5, 1656081), (7, 1182915), (9, 920045), (15, 552027), (21, 394305), (35, 236583), (45, 184009), (63, 131435), (97, 85365), (105, 78861), (271, 30555), (291, 28455), (315, 26287), (485, 17073), (679, 12195), (813, 10185), (873, 9485), (1355, 6111), (1455, 5691), (1897, 4365), (2037, 4065), (2439, 3395)]