12771639

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 19081920

約数和(自身を除く): 6310281

約数列:

[1, 3, 9, 47, 109, 141, 277, 327, 423, 831, 981, 2493, 5123, 13019, 15369, 30193, 39057, 46107, 90579, 117171, 271737, 1419071, 4257213, 12771639]

約数ペア:

[(1, 12771639), (3, 4257213), (9, 1419071), (47, 271737), (109, 117171), (141, 90579), (277, 46107), (327, 39057), (423, 30193), (831, 15369), (981, 13019), (2493, 5123)]