208575243

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{17053}}^1$

素因数の和:17216

約数の個数: 20

約数和(自身を含む): 313657168

約数和(自身を除く): 105081925

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 12231, 17053, 51159, 153477, 460431, 1381293, 2575003, 7725009, 23175027, 69525081, 208575243]

約数ペア:

[(1, 208575243), (3, 69525081), (9, 23175027), (27, 7725009), (81, 2575003), (151, 1381293), (453, 460431), (1359, 153477), (4077, 51159), (12231, 17053)]