209004009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 304279680

約数和(自身を除く): 95275671

約数列:

[1, 3, 19, 37, 57, 111, 113, 339, 703, 877, 2109, 2147, 2631, 4181, 6441, 12543, 16663, 32449, 49989, 79439, 97347, 99101, 238317, 297303, 616531, 1849593, 1882919, 3666737, 5648757, 11000211, 69668003, 209004009]

約数ペア:

[(1, 209004009), (3, 69668003), (19, 11000211), (37, 5648757), (57, 3666737), (111, 1882919), (113, 1849593), (339, 616531), (703, 297303), (877, 238317), (2109, 99101), (2147, 97347), (2631, 79439), (4181, 49989), (6441, 32449), (12543, 16663)]