28293057

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 46151336

約数和(自身を除く): 17858279

約数列:

[1, 3, 9, 13, 27, 39, 81, 97, 117, 277, 291, 351, 831, 873, 1053, 1261, 2493, 2619, 3601, 3783, 7479, 7857, 10803, 11349, 22437, 26869, 32409, 34047, 80607, 97227, 102141, 241821, 291681, 349297, 725463, 1047891, 2176389, 3143673, 9431019, 28293057]

約数ペア:

[(1, 28293057), (3, 9431019), (9, 3143673), (13, 2176389), (27, 1047891), (39, 725463), (81, 349297), (97, 291681), (117, 241821), (277, 102141), (291, 97227), (351, 80607), (831, 34047), (873, 32409), (1053, 26869), (1261, 22437), (2493, 11349), (2619, 10803), (3601, 7857), (3783, 7479)]