280355121

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{131437}}^1$

素因数の和:131525

約数の個数: 16

約数和(自身を含む): 420601600

約数和(自身を除く): 140246479

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 131437, 394311, 1182933, 3548799, 10383523, 31150569, 93451707, 280355121]

約数ペア:

[(1, 280355121), (3, 93451707), (9, 31150569), (27, 10383523), (79, 3548799), (237, 1182933), (711, 394311), (2133, 131437)]