289672389

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{78311}}^1$

素因数の和:78457

約数の個数: 16

約数和(自身を含む): 432282240

約数和(自身を除く): 142609851

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 78311, 234933, 704799, 2114397, 10728607, 32185821, 96557463, 289672389]

約数ペア:

[(1, 289672389), (3, 96557463), (9, 32185821), (27, 10728607), (137, 2114397), (411, 704799), (1233, 234933), (3699, 78311)]