128469459

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 184612608

約数和(自身を除く): 56143149

約数列:

[1, 3, 17, 51, 71, 213, 289, 867, 1207, 2087, 3621, 6261, 20519, 35479, 61557, 106437, 148177, 444531, 603143, 1809429, 2519009, 7557027, 42823153, 128469459]

約数ペア:

[(1, 128469459), (3, 42823153), (17, 7557027), (51, 2519009), (71, 1809429), (213, 603143), (289, 444531), (867, 148177), (1207, 106437), (2087, 61557), (3621, 35479), (6261, 20519)]