247344021

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{16349}}^1$

素因数の和:16437

約数の個数: 18

約数和(自身を含む): 366223650

約数和(自身を除く): 118879629

約数列:

[1, 3, 9, 41, 123, 369, 1681, 5043, 15129, 16349, 49047, 147141, 670309, 2010927, 6032781, 27482669, 82448007, 247344021]

約数ペア:

[(1, 247344021), (3, 82448007), (9, 27482669), (41, 6032781), (123, 2010927), (369, 670309), (1681, 147141), (5043, 49047), (15129, 16349)]