12866217

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47129}}^1$

素因数の和:47152

約数の個数: 16

約数和(自身を含む): 21114240

約数和(自身を除く): 8248023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 47129, 141387, 329903, 612677, 989709, 1838031, 4288739, 12866217]

約数ペア:

[(1, 12866217), (3, 4288739), (7, 1838031), (13, 989709), (21, 612677), (39, 329903), (91, 141387), (273, 47129)]