321159951

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 561254400

約数和(自身を除く): 240094449

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 83, 177, 189, 249, 347, 413, 531, 581, 747, 1041, 1239, 1593, 1743, 2241, 2429, 3123, 3717, 4897, 5229, 7287, 9369, 11151, 14691, 15687, 20473, 21861, 28801, 34279, 44073, 61419, 65583, 86403, 102837, 132219, 143311, 184257, 201607, 259209, 308511, 429933, 552771, 604821, 777627, 925533, 1289799, 1699259, 1814463, 3869397, 5097777, 5443389, 11894813, 15293331, 35684439, 45879993, 107053317, 321159951]

約数ペア:

[(1, 321159951), (3, 107053317), (7, 45879993), (9, 35684439), (21, 15293331), (27, 11894813), (59, 5443389), (63, 5097777), (83, 3869397), (177, 1814463), (189, 1699259), (249, 1289799), (347, 925533), (413, 777627), (531, 604821), (581, 552771), (747, 429933), (1041, 308511), (1239, 259209), (1593, 201607), (1743, 184257), (2241, 143311), (2429, 132219), (3123, 102837), (3717, 86403), (4897, 65583), (5229, 61419), (7287, 44073), (9369, 34279), (11151, 28801), (14691, 21861), (15687, 20473)]