12705231

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55001}}^1$

素因数の和:55022

約数の個数: 16

約数和(自身を含む): 21120768

約数和(自身を除く): 8415537

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 55001, 165003, 385007, 605011, 1155021, 1815033, 4235077, 12705231]

約数ペア:

[(1, 12705231), (3, 4235077), (7, 1815033), (11, 1155021), (21, 605011), (33, 385007), (77, 165003), (231, 55001)]