18270279

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{1069}}^1$

素因数の和:1292

約数の個数: 20

約数和(自身を含む): 27447640

約数和(自身を除く): 9177361

約数列:

[1, 3, 9, 27, 81, 211, 633, 1069, 1899, 3207, 5697, 9621, 17091, 28863, 86589, 225559, 676677, 2030031, 6090093, 18270279]

約数ペア:

[(1, 18270279), (3, 6090093), (9, 2030031), (27, 676677), (81, 225559), (211, 86589), (633, 28863), (1069, 17091), (1899, 9621), (3207, 5697)]