2891341257

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2257097}}^1$

素因数の和:2257168

約数の個数: 16

約数和(自身を含む): 4478082432

約数和(自身を除く): 1586741175

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 2257097, 6771291, 15799679, 47399037, 137682917, 413048751, 963780419, 2891341257]

約数ペア:

[(1, 2891341257), (3, 963780419), (7, 413048751), (21, 137682917), (61, 47399037), (183, 15799679), (427, 6771291), (1281, 2257097)]