81243877

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 100763460

約数和(自身を除く): 19519583

約数列:

[1, 11, 13, 29, 121, 137, 143, 169, 319, 377, 1507, 1573, 1781, 1859, 3509, 3973, 4147, 4901, 16577, 19591, 20449, 23153, 43703, 45617, 51649, 53911, 215501, 254683, 480733, 568139, 593021, 671437, 2801513, 6249529, 7385807, 81243877]

約数ペア:

[(1, 81243877), (11, 7385807), (13, 6249529), (29, 2801513), (121, 671437), (137, 593021), (143, 568139), (169, 480733), (319, 254683), (377, 215501), (1507, 53911), (1573, 51649), (1781, 45617), (1859, 43703), (3509, 23153), (3973, 20449), (4147, 19591), (4901, 16577)]