261556881

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{3557}}^1$

素因数の和:3880

約数の個数: 16

約数和(自身を含む): 353409024

約数和(自身を除く): 91852143

約数列:

[1, 3, 127, 193, 381, 579, 3557, 10671, 24511, 73533, 451739, 686501, 1355217, 2059503, 87185627, 261556881]

約数ペア:

[(1, 261556881), (3, 87185627), (127, 2059503), (193, 1355217), (381, 686501), (579, 451739), (3557, 73533), (10671, 24511)]