25775127

素因数分解:

$3^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:508

約数の個数: 36

約数和(自身を含む): 43671576

約数和(自身を除く): 17896449

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 211, 277, 441, 633, 831, 1477, 1899, 1939, 2493, 4431, 5817, 10339, 13293, 13573, 17451, 31017, 40719, 58447, 93051, 122157, 175341, 409129, 526023, 1227387, 2863903, 3682161, 8591709, 25775127]

約数ペア:

[(1, 25775127), (3, 8591709), (7, 3682161), (9, 2863903), (21, 1227387), (49, 526023), (63, 409129), (147, 175341), (211, 122157), (277, 93051), (441, 58447), (633, 40719), (831, 31017), (1477, 17451), (1899, 13573), (1939, 13293), (2493, 10339), (4431, 5817)]