204039729

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2187

約数の個数: 40

約数和(自身を含む): 327431808

約数和(自身を除く): 123392079

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 153, 213, 459, 639, 1207, 1377, 1917, 2087, 3621, 5751, 6261, 10863, 18783, 32589, 35479, 56349, 97767, 106437, 148177, 169047, 319311, 444531, 957933, 1333593, 2519009, 2873799, 4000779, 7557027, 12002337, 22671081, 68013243, 204039729]

約数ペア:

[(1, 204039729), (3, 68013243), (9, 22671081), (17, 12002337), (27, 7557027), (51, 4000779), (71, 2873799), (81, 2519009), (153, 1333593), (213, 957933), (459, 444531), (639, 319311), (1207, 169047), (1377, 148177), (1917, 106437), (2087, 97767), (3621, 56349), (5751, 35479), (6261, 32589), (10863, 18783)]