208516563

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{1823}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 307307520

約数和(自身を除く): 98790957

約数列:

[1, 3, 9, 71, 179, 213, 537, 639, 1611, 1823, 5469, 12709, 16407, 38127, 114381, 129433, 326317, 388299, 978951, 1164897, 2936853, 23168507, 69505521, 208516563]

約数ペア:

[(1, 208516563), (3, 69505521), (9, 23168507), (71, 2936853), (179, 1164897), (213, 978951), (537, 388299), (639, 326317), (1611, 129433), (1823, 114381), (5469, 38127), (12709, 16407)]