489328983

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20011}}^1$

素因数の和:20060

約数の個数: 48

約数和(自身を含む): 874124160

約数和(自身を除く): 384795177

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 741, 1287, 1881, 2223, 2717, 8151, 20011, 24453, 60033, 180099, 220121, 260143, 380209, 660363, 780429, 1140627, 1981089, 2341287, 2861573, 3421881, 4182299, 4942717, 8584719, 12546897, 14828151, 25754157, 37640691, 44484453, 54369887, 163109661, 489328983]

約数ペア:

[(1, 489328983), (3, 163109661), (9, 54369887), (11, 44484453), (13, 37640691), (19, 25754157), (33, 14828151), (39, 12546897), (57, 8584719), (99, 4942717), (117, 4182299), (143, 3421881), (171, 2861573), (209, 2341287), (247, 1981089), (429, 1140627), (627, 780429), (741, 660363), (1287, 380209), (1881, 260143), (2223, 220121), (2717, 180099), (8151, 60033), (20011, 24453)]