1280727

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{701}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 2190240

約数和(自身を除く): 909513

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 701, 1827, 2103, 4907, 6309, 14721, 20329, 44163, 60987, 142303, 182961, 426909, 1280727]

約数ペア:

[(1, 1280727), (3, 426909), (7, 182961), (9, 142303), (21, 60987), (29, 44163), (63, 20329), (87, 14721), (203, 6309), (261, 4907), (609, 2103), (701, 1827)]