26957259

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 21703221

約数列:

[1, 3, 7, 9, 21, 27, 31, 43, 63, 93, 107, 129, 189, 217, 279, 301, 321, 387, 651, 749, 837, 903, 963, 1161, 1333, 1953, 2247, 2709, 2889, 3317, 3999, 4601, 5859, 6741, 8127, 9331, 9951, 11997, 13803, 20223, 23219, 27993, 29853, 32207, 35991, 41409, 69657, 83979, 89559, 96621, 124227, 142631, 208971, 251937, 289863, 427893, 626913, 869589, 998417, 1283679, 2995251, 3851037, 8985753, 26957259]

約数ペア:

[(1, 26957259), (3, 8985753), (7, 3851037), (9, 2995251), (21, 1283679), (27, 998417), (31, 869589), (43, 626913), (63, 427893), (93, 289863), (107, 251937), (129, 208971), (189, 142631), (217, 124227), (279, 96621), (301, 89559), (321, 83979), (387, 69657), (651, 41409), (749, 35991), (837, 32207), (903, 29853), (963, 27993), (1161, 23219), (1333, 20223), (1953, 13803), (2247, 11997), (2709, 9951), (2889, 9331), (3317, 8127), (3999, 6741), (4601, 5859)]