17991182007

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{443}}^1\times {\mathrm{54367}}^1$

素因数の和:54899

約数の個数: 24

約数和(自身を含む): 26360216064

約数和(自身を除く): 8369034057

約数列:

[1, 3, 9, 83, 249, 443, 747, 1329, 3987, 36769, 54367, 110307, 163101, 330921, 489303, 4512461, 13537383, 24084581, 40612149, 72253743, 216761229, 1999020223, 5997060669, 17991182007]

約数ペア:

[(1, 17991182007), (3, 5997060669), (9, 1999020223), (83, 216761229), (249, 72253743), (443, 40612149), (747, 24084581), (1329, 13537383), (3987, 4512461), (36769, 489303), (54367, 330921), (110307, 163101)]