28690389

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11677}}^1$

素因数の和:11706

約数の個数: 32

約数和(自身を含む): 52317440

約数和(自身を除く): 23627051

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 11677, 35031, 81739, 105093, 151801, 245217, 315279, 455403, 735651, 1062607, 1366209, 2206953, 3187821, 4098627, 9563463, 28690389]

約数ペア:

[(1, 28690389), (3, 9563463), (7, 4098627), (9, 3187821), (13, 2206953), (21, 1366209), (27, 1062607), (39, 735651), (63, 455403), (91, 315279), (117, 245217), (189, 151801), (273, 105093), (351, 81739), (819, 35031), (2457, 11677)]