208545273

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2657}}^1$

素因数の和:2708

約数の個数: 48

約数和(自身を含む): 348304320

約数和(自身を除く): 139759047

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 243, 323, 459, 513, 969, 1377, 1539, 2657, 2907, 4131, 4617, 7971, 8721, 23913, 26163, 45169, 50483, 71739, 78489, 135507, 151449, 215217, 406521, 454347, 645651, 858211, 1219563, 1363041, 2574633, 3658689, 4089123, 7723899, 10976067, 12267369, 23171697, 69515091, 208545273]

約数ペア:

[(1, 208545273), (3, 69515091), (9, 23171697), (17, 12267369), (19, 10976067), (27, 7723899), (51, 4089123), (57, 3658689), (81, 2574633), (153, 1363041), (171, 1219563), (243, 858211), (323, 645651), (459, 454347), (513, 406521), (969, 215217), (1377, 151449), (1539, 135507), (2657, 78489), (2907, 71739), (4131, 50483), (4617, 45169), (7971, 26163), (8721, 23913)]