1256169621

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{13001}}^1$

素因数の和:13161

約数の個数: 32

約数和(自身を含む): 1977136128

約数和(自身を除く): 720966507

約数列:

[1, 3, 7, 21, 43, 107, 129, 301, 321, 749, 903, 2247, 4601, 13001, 13803, 32207, 39003, 91007, 96621, 273021, 559043, 1391107, 1677129, 3913301, 4173321, 9737749, 11739903, 29213247, 59817601, 179452803, 418723207, 1256169621]

約数ペア:

[(1, 1256169621), (3, 418723207), (7, 179452803), (21, 59817601), (43, 29213247), (107, 11739903), (129, 9737749), (301, 4173321), (321, 3913301), (749, 1677129), (903, 1391107), (2247, 559043), (4601, 273021), (13001, 96621), (13803, 91007), (32207, 39003)]