2018897727

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{3631}}^1$

素因数の和:3764

約数の個数: 64

約数和(自身を含む): 3514613760

約数和(自身を除く): 1495716033

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 83, 87, 203, 231, 249, 319, 581, 609, 913, 957, 1743, 2233, 2407, 2739, 3631, 6391, 6699, 7221, 10893, 16849, 19173, 25417, 26477, 39941, 50547, 76251, 79431, 105299, 119823, 185339, 279587, 301373, 315897, 556017, 737093, 838761, 904119, 1158289, 2109611, 2211279, 3315103, 3474867, 6328833, 8108023, 8739817, 9945309, 23205721, 24324069, 26219451, 61178719, 69617163, 96137987, 183536157, 288413961, 672965909, 2018897727]

約数ペア:

[(1, 2018897727), (3, 672965909), (7, 288413961), (11, 183536157), (21, 96137987), (29, 69617163), (33, 61178719), (77, 26219451), (83, 24324069), (87, 23205721), (203, 9945309), (231, 8739817), (249, 8108023), (319, 6328833), (581, 3474867), (609, 3315103), (913, 2211279), (957, 2109611), (1743, 1158289), (2233, 904119), (2407, 838761), (2739, 737093), (3631, 556017), (6391, 315897), (6699, 301373), (7221, 279587), (10893, 185339), (16849, 119823), (19173, 105299), (25417, 79431), (26477, 76251), (39941, 50547)]