205121751

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 292173312

約数和(自身を除く): 87051561

約数列:

[1, 3, 23, 69, 73, 193, 211, 219, 579, 633, 1679, 4439, 4853, 5037, 13317, 14089, 14559, 15403, 40723, 42267, 46209, 122169, 324047, 354269, 936629, 972141, 1062807, 2809887, 2972779, 8918337, 68373917, 205121751]

約数ペア:

[(1, 205121751), (3, 68373917), (23, 8918337), (69, 2972779), (73, 2809887), (193, 1062807), (211, 972141), (219, 936629), (579, 354269), (633, 324047), (1679, 122169), (4439, 46209), (4853, 42267), (5037, 40723), (13317, 15403), (14089, 14559)]