16638489

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1301}}^1$

素因数の和:1350

約数の個数: 36

約数和(自身を含む): 28943460

約数和(自身を除く): 12304971

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1301, 1421, 1827, 3903, 4263, 9107, 11709, 12789, 27321, 37729, 63749, 81963, 113187, 191247, 264103, 339561, 573741, 792309, 1848721, 2376927, 5546163, 16638489]

約数ペア:

[(1, 16638489), (3, 5546163), (7, 2376927), (9, 1848721), (21, 792309), (29, 573741), (49, 339561), (63, 264103), (87, 191247), (147, 113187), (203, 81963), (261, 63749), (441, 37729), (609, 27321), (1301, 12789), (1421, 11709), (1827, 9107), (3903, 4263)]