12978669

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{719}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 18938880

約数和(自身を除く): 5960211

約数列:

[1, 3, 11, 33, 547, 719, 1641, 2157, 6017, 7909, 18051, 23727, 393293, 1179879, 4326223, 12978669]

約数ペア:

[(1, 12978669), (3, 4326223), (11, 1179879), (33, 393293), (547, 23727), (719, 18051), (1641, 7909), (2157, 6017)]