12996621

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 21262176

約数和(自身を除く): 8265555

約数列:

[1, 3, 9, 11, 33, 43, 71, 99, 129, 213, 387, 473, 639, 781, 1419, 1849, 2343, 3053, 4257, 5547, 7029, 9159, 16641, 20339, 27477, 33583, 61017, 100749, 131279, 183051, 302247, 393837, 1181511, 1444069, 4332207, 12996621]

約数ペア:

[(1, 12996621), (3, 4332207), (9, 1444069), (11, 1181511), (33, 393837), (43, 302247), (71, 183051), (99, 131279), (129, 100749), (213, 61017), (387, 33583), (473, 27477), (639, 20339), (781, 16641), (1419, 9159), (1849, 7029), (2343, 5547), (3053, 4257)]