12891837

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4481}}^1$

素因数の和:4628

約数の個数: 16

約数和(自身を含む): 19792512

約数和(自身を除く): 6900675

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 4481, 13443, 31367, 94101, 613897, 1841691, 4297279, 12891837]

約数ペア:

[(1, 12891837), (3, 4297279), (7, 1841691), (21, 613897), (137, 94101), (411, 31367), (959, 13443), (2877, 4481)]