12657891

素因数分解:

$3^1\times {\mathrm{29}}^3\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 16

約数和(自身を含む): 17580960

約数和(自身を除く): 4923069

約数列:

[1, 3, 29, 87, 173, 519, 841, 2523, 5017, 15051, 24389, 73167, 145493, 436479, 4219297, 12657891]

約数ペア:

[(1, 12657891), (3, 4219297), (29, 436479), (87, 145493), (173, 73167), (519, 24389), (841, 15051), (2523, 5017)]