201292021

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{1301}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 248234112

約数和(自身を除く): 46942091

約数列:

[1, 7, 23, 31, 161, 217, 713, 961, 1301, 4991, 6727, 9107, 22103, 29923, 40331, 154721, 209461, 282317, 927613, 1250261, 6493291, 8751827, 28756003, 201292021]

約数ペア:

[(1, 201292021), (7, 28756003), (23, 8751827), (31, 6493291), (161, 1250261), (217, 927613), (713, 282317), (961, 209461), (1301, 154721), (4991, 40331), (6727, 29923), (9107, 22103)]