12990423

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2579}}^1$

素因数の和:2678

約数の個数: 16

約数和(自身を含む): 18328320

約数和(自身を除く): 5337897

約数列:

[1, 3, 23, 69, 73, 219, 1679, 2579, 5037, 7737, 59317, 177951, 188267, 564801, 4330141, 12990423]

約数ペア:

[(1, 12990423), (3, 4330141), (23, 564801), (69, 188267), (73, 177951), (219, 59317), (1679, 7737), (2579, 5037)]