51305751

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 91238400

約数和(自身を除く): 39932649

約数列:

[1, 3, 7, 9, 21, 27, 43, 59, 63, 107, 129, 177, 189, 301, 321, 387, 413, 531, 749, 903, 963, 1161, 1239, 1593, 2247, 2537, 2709, 2889, 3717, 4601, 6313, 6741, 7611, 8127, 11151, 13803, 17759, 18939, 20223, 22833, 32207, 41409, 44191, 53277, 56817, 68499, 96621, 124227, 132573, 159831, 170451, 271459, 289863, 397719, 479493, 814377, 869589, 1193157, 1900213, 2443131, 5700639, 7329393, 17101917, 51305751]

約数ペア:

[(1, 51305751), (3, 17101917), (7, 7329393), (9, 5700639), (21, 2443131), (27, 1900213), (43, 1193157), (59, 869589), (63, 814377), (107, 479493), (129, 397719), (177, 289863), (189, 271459), (301, 170451), (321, 159831), (387, 132573), (413, 124227), (531, 96621), (749, 68499), (903, 56817), (963, 53277), (1161, 44191), (1239, 41409), (1593, 32207), (2247, 22833), (2537, 20223), (2709, 18939), (2889, 17759), (3717, 13803), (4601, 11151), (6313, 8127), (6741, 7611)]