28238301

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1277}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 52101504

約数和(自身を除く): 23863203

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 1053, 1277, 1701, 2457, 3159, 3831, 7371, 8939, 11493, 16601, 22113, 26817, 34479, 49803, 80451, 103437, 116207, 149409, 241353, 310311, 348621, 448227, 724059, 1045863, 1344681, 2172177, 3137589, 4034043, 9412767, 28238301]

約数ペア:

[(1, 28238301), (3, 9412767), (7, 4034043), (9, 3137589), (13, 2172177), (21, 1344681), (27, 1045863), (39, 724059), (63, 448227), (81, 348621), (91, 310311), (117, 241353), (189, 149409), (243, 116207), (273, 103437), (351, 80451), (567, 49803), (819, 34479), (1053, 26817), (1277, 22113), (1701, 16601), (2457, 11493), (3159, 8939), (3831, 7371)]