121691775919

素因数分解:

$7^2\times {\mathrm{107}}^2\times {\mathrm{216919}}^1$

素因数の和:217147

約数の個数: 18

約数和(自身を含む): 142895833080

約数和(自身を除く): 21204057161

約数列:

[1, 7, 49, 107, 749, 5243, 11449, 80143, 216919, 561001, 1518433, 10629031, 23210333, 162472331, 1137306317, 2483505631, 17384539417, 121691775919]

約数ペア:

[(1, 121691775919), (7, 17384539417), (49, 2483505631), (107, 1137306317), (749, 162472331), (5243, 23210333), (11449, 10629031), (80143, 1518433), (216919, 561001)]