207823887

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{36137}}^1$

素因数の和:36220

約数の個数: 20

約数和(自身を含む): 314834256

約数和(自身を除く): 107010369

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 36137, 108411, 325233, 975699, 2565727, 2927097, 7697181, 23091543, 69274629, 207823887]

約数ペア:

[(1, 207823887), (3, 69274629), (9, 23091543), (27, 7697181), (71, 2927097), (81, 2565727), (213, 975699), (639, 325233), (1917, 108411), (5751, 36137)]