28609767

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{3301}}^1$

素因数の和:3420

約数の個数: 20

約数和(自身を含む): 43150536

約数和(自身を除く): 14540769

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 3301, 8667, 9903, 29709, 89127, 267381, 353207, 1059621, 3178863, 9536589, 28609767]

約数ペア:

[(1, 28609767), (3, 9536589), (9, 3178863), (27, 1059621), (81, 353207), (107, 267381), (321, 89127), (963, 29709), (2889, 9903), (3301, 8667)]