13426931907

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{21012413}}^1$

素因数の和:21012490

約数の個数: 12

約数和(自身を含む): 19667619504

約数和(自身を除く): 6240687597

約数列:

[1, 3, 9, 71, 213, 639, 21012413, 63037239, 189111717, 1491881323, 4475643969, 13426931907]

約数ペア:

[(1, 13426931907), (3, 4475643969), (9, 1491881323), (71, 189111717), (213, 63037239), (639, 21012413)]