209957657

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{9341}}^1$

素因数の和:9393

約数の個数: 24

約数和(自身を含む): 273533760

約数和(自身を除く): 63576103

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 1183, 1729, 3211, 9341, 22477, 65387, 121433, 177479, 850031, 1242353, 1578629, 2307227, 11050403, 16150589, 29993951, 209957657]

約数ペア:

[(1, 209957657), (7, 29993951), (13, 16150589), (19, 11050403), (91, 2307227), (133, 1578629), (169, 1242353), (247, 850031), (1183, 177479), (1729, 121433), (3211, 65387), (9341, 22477)]