2778889761

素因数分解:

$3^4\times {\mathrm{277}}^1\times {\mathrm{123853}}^1$

素因数の和:124142

約数の個数: 20

約数和(自身を含む): 4166200852

約数和(自身を除く): 1387311091

約数列:

[1, 3, 9, 27, 81, 277, 831, 2493, 7479, 22437, 123853, 371559, 1114677, 3344031, 10032093, 34307281, 102921843, 308765529, 926296587, 2778889761]

約数ペア:

[(1, 2778889761), (3, 926296587), (9, 308765529), (27, 102921843), (81, 34307281), (277, 10032093), (831, 3344031), (2493, 1114677), (7479, 371559), (22437, 123853)]