81387449

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{33479}}^1$

素因数の和:33520

約数の個数: 16

約数和(自身を含む): 101243520

約数和(自身を除く): 19856071

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 33479, 368269, 435227, 569143, 4787497, 6260573, 7398859, 81387449]

約数ペア:

[(1, 81387449), (11, 7398859), (13, 6260573), (17, 4787497), (143, 569143), (187, 435227), (221, 368269), (2431, 33479)]