28800057

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 19462983

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 187, 221, 359, 363, 429, 561, 663, 1077, 1573, 2057, 2431, 3949, 4667, 4719, 6103, 6171, 7293, 11847, 14001, 18309, 26741, 43439, 51337, 67133, 79339, 80223, 130317, 154011, 201399, 238017, 564707, 738463, 872729, 1694121, 2215389, 2618187, 9600019, 28800057]

約数ペア:

[(1, 28800057), (3, 9600019), (11, 2618187), (13, 2215389), (17, 1694121), (33, 872729), (39, 738463), (51, 564707), (121, 238017), (143, 201399), (187, 154011), (221, 130317), (359, 80223), (363, 79339), (429, 67133), (561, 51337), (663, 43439), (1077, 26741), (1573, 18309), (2057, 14001), (2431, 11847), (3949, 7293), (4667, 6171), (4719, 6103)]