81258155

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{7069}}^1$

素因数の和:7115

約数の個数: 24

約数和(自身を含む): 112837200

約数和(自身を除く): 31579045

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 2299, 7069, 11495, 35345, 77759, 134311, 388795, 671555, 855349, 1477421, 4276745, 7387105, 16251631, 81258155]

約数ペア:

[(1, 81258155), (5, 16251631), (11, 7387105), (19, 4276745), (55, 1477421), (95, 855349), (121, 671555), (209, 388795), (605, 134311), (1045, 77759), (2299, 35345), (7069, 11495)]