31214001

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2659}}^1$

素因数の和:2725

約数の個数: 32

約数和(自身を含む): 52433920

約数和(自身を除く): 21219919

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 2659, 3913, 7977, 11739, 18613, 34567, 55839, 103701, 114337, 241969, 343011, 725907, 800359, 1486381, 2401077, 4459143, 10404667, 31214001]

約数ペア:

[(1, 31214001), (3, 10404667), (7, 4459143), (13, 2401077), (21, 1486381), (39, 800359), (43, 725907), (91, 343011), (129, 241969), (273, 114337), (301, 103701), (559, 55839), (903, 34567), (1677, 18613), (2659, 11739), (3913, 7977)]