647297841

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{21863}}^1$

素因数の和:22076

約数の個数: 16

約数和(自身を含む): 881556480

約数和(自身を除く): 234258639

約数列:

[1, 3, 71, 139, 213, 417, 9869, 21863, 29607, 65589, 1552273, 3038957, 4656819, 9116871, 215765947, 647297841]

約数ペア:

[(1, 647297841), (3, 215765947), (71, 9116871), (139, 4656819), (213, 3038957), (417, 1552273), (9869, 65589), (21863, 29607)]