2648889

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 4320000

約数和(自身を除く): 1671111

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 153, 199, 261, 459, 493, 597, 783, 1479, 1791, 3383, 4437, 5373, 5771, 10149, 13311, 17313, 30447, 51939, 91341, 98107, 155817, 294321, 882963, 2648889]

約数ペア:

[(1, 2648889), (3, 882963), (9, 294321), (17, 155817), (27, 98107), (29, 91341), (51, 51939), (87, 30447), (153, 17313), (199, 13311), (261, 10149), (459, 5771), (493, 5373), (597, 4437), (783, 3383), (1479, 1791)]