28028457

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{14621}}^1$

素因数の和:14701

約数の個数: 16

約数和(自身を含む): 42111360

約数和(自身を除く): 14082903

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 14621, 43863, 131589, 394767, 1038091, 3114273, 9342819, 28028457]

約数ペア:

[(1, 28028457), (3, 9342819), (9, 3114273), (27, 1038091), (71, 394767), (213, 131589), (639, 43863), (1917, 14621)]