28400463

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3853}}^1$

素因数の和:3885

約数の個数: 40

約数和(自身を含む): 52229408

約数和(自身を除く): 23828945

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 3853, 7371, 11559, 26971, 34677, 50089, 80913, 104031, 150267, 242739, 312093, 350623, 450801, 728217, 1051869, 1352403, 2184651, 3155607, 4057209, 9466821, 28400463]

約数ペア:

[(1, 28400463), (3, 9466821), (7, 4057209), (9, 3155607), (13, 2184651), (21, 1352403), (27, 1051869), (39, 728217), (63, 450801), (81, 350623), (91, 312093), (117, 242739), (189, 150267), (273, 104031), (351, 80913), (567, 50089), (819, 34677), (1053, 26971), (2457, 11559), (3853, 7371)]