161142561

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{42937}}^1$

素因数の和:43085

約数の個数: 16

約数和(自身を含む): 240452800

約数和(自身を除く): 79310239

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 42937, 128811, 386433, 1159299, 5968243, 17904729, 53714187, 161142561]

約数ペア:

[(1, 161142561), (3, 53714187), (9, 17904729), (27, 5968243), (139, 1159299), (417, 386433), (1251, 128811), (3753, 42937)]