161885919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{42793}}^1$

素因数の和:42906

約数の個数: 16

約数和(自身を含む): 234853472

約数和(自身を除く): 72967553

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 42793, 128379, 556309, 1668927, 4150921, 12452763, 53961973, 161885919]

約数ペア:

[(1, 161885919), (3, 53961973), (13, 12452763), (39, 4150921), (97, 1668927), (291, 556309), (1261, 128379), (3783, 42793)]