13129749

素因数分解:

$3^3\times {\mathrm{43}}^2\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 24

約数和(自身を含む): 19990080

約数和(自身を除く): 6860331

約数列:

[1, 3, 9, 27, 43, 129, 263, 387, 789, 1161, 1849, 2367, 5547, 7101, 11309, 16641, 33927, 49923, 101781, 305343, 486287, 1458861, 4376583, 13129749]

約数ペア:

[(1, 13129749), (3, 4376583), (9, 1458861), (27, 486287), (43, 305343), (129, 101781), (263, 49923), (387, 33927), (789, 16641), (1161, 11309), (1849, 7101), (2367, 5547)]