257020005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1201}}^1\times {\mathrm{1297}}^1$

素因数の和:2517

約数の個数: 32

約数和(自身を含む): 449336448

約数和(自身を除く): 192316443

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1201, 1297, 3603, 3891, 6005, 6485, 13211, 14267, 18015, 19455, 39633, 42801, 66055, 71335, 198165, 214005, 1557697, 4673091, 7788485, 17134667, 23365455, 51404001, 85673335, 257020005]

約数ペア:

[(1, 257020005), (3, 85673335), (5, 51404001), (11, 23365455), (15, 17134667), (33, 7788485), (55, 4673091), (165, 1557697), (1201, 214005), (1297, 198165), (3603, 71335), (3891, 66055), (6005, 42801), (6485, 39633), (13211, 19455), (14267, 18015)]