12942261

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{6947}}^1$

素因数の和:6982

約数の個数: 20

約数和(自身を含む): 20176992

約数和(自身を除く): 7234731

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 6947, 20841, 62523, 159781, 187569, 479343, 562707, 1438029, 4314087, 12942261]

約数ペア:

[(1, 12942261), (3, 4314087), (9, 1438029), (23, 562707), (27, 479343), (69, 187569), (81, 159781), (207, 62523), (621, 20841), (1863, 6947)]