208679913

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{104917}}^1$

素因数の和:104953

約数の個数: 24

約数和(自身を含む): 343711368

約数和(自身を除く): 135031455

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 104917, 314751, 944253, 1363921, 1783589, 4091763, 5350767, 12275289, 16052301, 23186657, 69559971, 208679913]

約数ペア:

[(1, 208679913), (3, 69559971), (9, 23186657), (13, 16052301), (17, 12275289), (39, 5350767), (51, 4091763), (117, 1783589), (153, 1363921), (221, 944253), (663, 314751), (1989, 104917)]