209839839

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1931}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 317157120

約数和(自身を除く): 107317281

約数列:

[1, 3, 11, 33, 37, 89, 111, 267, 407, 979, 1221, 1931, 2937, 3293, 5793, 9879, 21241, 36223, 63723, 71447, 108669, 171859, 214341, 515577, 785917, 1890449, 2357751, 5671347, 6358783, 19076349, 69946613, 209839839]

約数ペア:

[(1, 209839839), (3, 69946613), (11, 19076349), (33, 6358783), (37, 5671347), (89, 2357751), (111, 1890449), (267, 785917), (407, 515577), (979, 214341), (1221, 171859), (1931, 108669), (2937, 71447), (3293, 63723), (5793, 36223), (9879, 21241)]