15691521933

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1393687}}^1$

素因数の和:1393838

約数の個数: 20

約数和(自身を含む): 23609074720

約数和(自身を除く): 7917552787

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 1393687, 4181061, 12543183, 37629549, 112888647, 193722493, 581167479, 1743502437, 5230507311, 15691521933]

約数ペア:

[(1, 15691521933), (3, 5230507311), (9, 1743502437), (27, 581167479), (81, 193722493), (139, 112888647), (417, 37629549), (1251, 12543183), (3753, 4181061), (11259, 1393687)]