28717767

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81817}}^1$

素因数の和:81839

約数の個数: 16

約数和(自身を含む): 45818080

約数和(自身を除く): 17100313

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81817, 245451, 736353, 1063621, 2209059, 3190863, 9572589, 28717767]

約数ペア:

[(1, 28717767), (3, 9572589), (9, 3190863), (13, 2209059), (27, 1063621), (39, 736353), (117, 245451), (351, 81817)]