2120769

素因数分解:

$3^3\times 7^3\times {\mathrm{229}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 3680000

約数和(自身を除く): 1559231

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 229, 343, 441, 687, 1029, 1323, 1603, 2061, 3087, 4809, 6183, 9261, 11221, 14427, 33663, 43281, 78547, 100989, 235641, 302967, 706923, 2120769]

約数ペア:

[(1, 2120769), (3, 706923), (7, 302967), (9, 235641), (21, 100989), (27, 78547), (49, 43281), (63, 33663), (147, 14427), (189, 11221), (229, 9261), (343, 6183), (441, 4809), (687, 3087), (1029, 2061), (1323, 1603)]