561768193

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{20807}}^1$

素因数の和:20869

約数の個数: 24

約数和(自身を含む): 711633600

約数和(自身を除く): 149865407

約数列:

[1, 7, 19, 29, 49, 133, 203, 551, 931, 1421, 3857, 20807, 26999, 145649, 395333, 603403, 1019543, 2767331, 4223821, 11464657, 19371317, 29566747, 80252599, 561768193]

約数ペア:

[(1, 561768193), (7, 80252599), (19, 29566747), (29, 19371317), (49, 11464657), (133, 4223821), (203, 2767331), (551, 1019543), (931, 603403), (1421, 395333), (3857, 145649), (20807, 26999)]