13811985

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 27371520

約数和(自身を除く): 13559535

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 99, 131, 135, 165, 213, 297, 355, 393, 495, 639, 655, 781, 1065, 1179, 1441, 1485, 1917, 1965, 2343, 3195, 3537, 3905, 4323, 5895, 7029, 7205, 9301, 9585, 11715, 12969, 17685, 21087, 21615, 27903, 35145, 38907, 46505, 64845, 83709, 102311, 105435, 139515, 194535, 251127, 306933, 418545, 511555, 920799, 1255635, 1534665, 2762397, 4603995, 13811985]

約数ペア:

[(1, 13811985), (3, 4603995), (5, 2762397), (9, 1534665), (11, 1255635), (15, 920799), (27, 511555), (33, 418545), (45, 306933), (55, 251127), (71, 194535), (99, 139515), (131, 105435), (135, 102311), (165, 83709), (213, 64845), (297, 46505), (355, 38907), (393, 35145), (495, 27903), (639, 21615), (655, 21087), (781, 17685), (1065, 12969), (1179, 11715), (1441, 9585), (1485, 9301), (1917, 7205), (1965, 7029), (2343, 5895), (3195, 4323), (3537, 3905)]