81274369

素因数分解:

${\mathrm{11}}^2\times {\mathrm{359}}^1\times {\mathrm{1871}}^1$

素因数の和:2252

約数の個数: 12

約数和(自身を含む): 89631360

約数和(自身を除く): 8356991

約数列:

[1, 11, 121, 359, 1871, 3949, 20581, 43439, 226391, 671689, 7388579, 81274369]

約数ペア:

[(1, 81274369), (11, 7388579), (121, 671689), (359, 226391), (1871, 43439), (3949, 20581)]