388771887

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{135131}}^1$

素因数の和:135278

約数の個数: 16

約数和(自身を含む): 596742912

約数和(自身を除く): 207971025

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 135131, 405393, 945917, 2837751, 18512947, 55538841, 129590629, 388771887]

約数ペア:

[(1, 388771887), (3, 129590629), (7, 55538841), (21, 18512947), (137, 2837751), (411, 945917), (959, 405393), (2877, 135131)]