13261311

素因数分解:

$3^2\times 7^2\times {\mathrm{30071}}^1$

素因数の和:30091

約数の個数: 18

約数和(自身を含む): 22283352

約数和(自身を除く): 9022041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 30071, 90213, 210497, 270639, 631491, 1473479, 1894473, 4420437, 13261311]

約数ペア:

[(1, 13261311), (3, 4420437), (7, 1894473), (9, 1473479), (21, 631491), (49, 270639), (63, 210497), (147, 90213), (441, 30071)]