209968443

素因数分解:

$3^4\times {\mathrm{461}}^1\times {\mathrm{5623}}^1$

素因数の和:6096

約数の個数: 20

約数和(自身を含む): 314392848

約数和(自身を除く): 104424405

約数列:

[1, 3, 9, 27, 81, 461, 1383, 4149, 5623, 12447, 16869, 37341, 50607, 151821, 455463, 2592203, 7776609, 23329827, 69989481, 209968443]

約数ペア:

[(1, 209968443), (3, 69989481), (9, 23329827), (27, 7776609), (81, 2592203), (461, 455463), (1383, 151821), (4149, 50607), (5623, 37341), (12447, 16869)]