2581944579

素因数分解:

$3^4\times {\mathrm{2971}}^1\times {\mathrm{10729}}^1$

素因数の和:13712

約数の個数: 20

約数和(自身を含む): 3858636760

約数和(自身を除く): 1276692181

約数列:

[1, 3, 9, 27, 81, 2971, 8913, 10729, 26739, 32187, 80217, 96561, 240651, 289683, 869049, 31875859, 95627577, 286882731, 860648193, 2581944579]

約数ペア:

[(1, 2581944579), (3, 860648193), (9, 286882731), (27, 95627577), (81, 31875859), (2971, 869049), (8913, 289683), (10729, 240651), (26739, 96561), (32187, 80217)]