2644066881

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{130051}}^1$

素因数の和:130314

約数の個数: 20

約数和(自身を含む): 3965545584

約数和(自身を除く): 1321478703

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6777, 20331, 130051, 390153, 1170459, 3511377, 10534131, 32642801, 97928403, 293785209, 881355627, 2644066881]

約数ペア:

[(1, 2644066881), (3, 881355627), (9, 293785209), (27, 97928403), (81, 32642801), (251, 10534131), (753, 3511377), (2259, 1170459), (6777, 390153), (20331, 130051)]