278340759

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{251437}}^1$

素因数の和:251487

約数の個数: 16

約数和(自身を含む): 422415840

約数和(自身を除く): 144075081

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 251437, 754311, 2262933, 6788799, 10308917, 30926751, 92780253, 278340759]

約数ペア:

[(1, 278340759), (3, 92780253), (9, 30926751), (27, 10308917), (41, 6788799), (123, 2262933), (369, 754311), (1107, 251437)]