28040337

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 46618880

約数和(自身を除く): 18578543

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 279, 351, 403, 837, 859, 1053, 1209, 2511, 2577, 3627, 7731, 10881, 11167, 23193, 26629, 32643, 33501, 69579, 79887, 100503, 239661, 301509, 346177, 718983, 904527, 1038531, 2156949, 3115593, 9346779, 28040337]

約数ペア:

[(1, 28040337), (3, 9346779), (9, 3115593), (13, 2156949), (27, 1038531), (31, 904527), (39, 718983), (81, 346177), (93, 301509), (117, 239661), (279, 100503), (351, 79887), (403, 69579), (837, 33501), (859, 32643), (1053, 26629), (1209, 23193), (2511, 11167), (2577, 10881), (3627, 7731)]