81645681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{15061}}^1$

素因数の和:15216

約数の個数: 16

約数和(自身を含む): 118086080

約数和(自身を除く): 36440399

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5421, 15061, 45183, 195793, 587379, 2093479, 6280437, 27215227, 81645681]

約数ペア:

[(1, 81645681), (3, 27215227), (13, 6280437), (39, 2093479), (139, 587379), (417, 195793), (1807, 45183), (5421, 15061)]