213426297

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{178301}}^1$

素因数の和:178333

約数の個数: 24

約数和(自身を含む): 370868160

約数和(自身を除く): 157441863

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 178301, 534903, 1248107, 1604709, 3387719, 3744321, 10163157, 11232963, 23714033, 30489471, 71142099, 213426297]

約数ペア:

[(1, 213426297), (3, 71142099), (7, 30489471), (9, 23714033), (19, 11232963), (21, 10163157), (57, 3744321), (63, 3387719), (133, 1604709), (171, 1248107), (399, 534903), (1197, 178301)]