27977859

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 52147200

約数和(自身を除く): 24169341

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 59, 63, 91, 117, 177, 189, 193, 273, 351, 413, 531, 579, 767, 819, 1239, 1351, 1593, 1737, 2301, 2457, 2509, 3717, 4053, 5211, 5369, 6903, 7527, 11151, 11387, 12159, 16107, 17563, 20709, 22581, 34161, 36477, 48321, 52689, 67743, 79709, 102483, 144963, 148031, 158067, 239127, 307449, 444093, 474201, 717381, 1036217, 1332279, 2152143, 3108651, 3996837, 9325953, 27977859]

約数ペア:

[(1, 27977859), (3, 9325953), (7, 3996837), (9, 3108651), (13, 2152143), (21, 1332279), (27, 1036217), (39, 717381), (59, 474201), (63, 444093), (91, 307449), (117, 239127), (177, 158067), (189, 148031), (193, 144963), (273, 102483), (351, 79709), (413, 67743), (531, 52689), (579, 48321), (767, 36477), (819, 34161), (1239, 22581), (1351, 20709), (1593, 17563), (1737, 16107), (2301, 12159), (2457, 11387), (2509, 11151), (3717, 7527), (4053, 6903), (5211, 5369)]