128870913

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{2011}}^1$

素因数の和:2576

約数の個数: 16

約数和(自身を含む): 176444352

約数和(自身を除く): 47573439

約数列:

[1, 3, 41, 123, 521, 1563, 2011, 6033, 21361, 64083, 82451, 247353, 1047731, 3143193, 42956971, 128870913]

約数ペア:

[(1, 128870913), (3, 42956971), (41, 3143193), (123, 1047731), (521, 247353), (1563, 82451), (2011, 64083), (6033, 21361)]