12557391

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54361}}^1$

素因数の和:54382

約数の個数: 16

約数和(自身を含む): 20875008

約数和(自身を除く): 8317617

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 54361, 163083, 380527, 597971, 1141581, 1793913, 4185797, 12557391]

約数ペア:

[(1, 12557391), (3, 4185797), (7, 1793913), (11, 1141581), (21, 597971), (33, 380527), (77, 163083), (231, 54361)]