280194128721

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{798273871}}^1$

素因数の和:798273893

約数の個数: 16

約数和(自身を含む): 447033368320

約数和(自身を除く): 166839239599

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 798273871, 2394821613, 7184464839, 10377560323, 21553394517, 31132680969, 93398042907, 280194128721]

約数ペア:

[(1, 280194128721), (3, 93398042907), (9, 31132680969), (13, 21553394517), (27, 10377560323), (39, 7184464839), (117, 2394821613), (351, 798273871)]