2780451621

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1723}}^1\times {\mathrm{9437}}^1$

素因数の和:11185

約数の個数: 24

約数和(自身を含む): 4230489120

約数和(自身を除く): 1450037499

約数列:

[1, 3, 9, 19, 57, 171, 1723, 5169, 9437, 15507, 28311, 32737, 84933, 98211, 179303, 294633, 537909, 1613727, 16259951, 48779853, 146339559, 308939069, 926817207, 2780451621]

約数ペア:

[(1, 2780451621), (3, 926817207), (9, 308939069), (19, 146339559), (57, 48779853), (171, 16259951), (1723, 1613727), (5169, 537909), (9437, 294633), (15507, 179303), (28311, 98211), (32737, 84933)]