9986837

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 12968640

約数和(自身を除く): 2981803

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 631, 833, 931, 2261, 4417, 10727, 11989, 15827, 30919, 75089, 83923, 203813, 525623, 587461, 1426691, 9986837]

約数ペア:

[(1, 9986837), (7, 1426691), (17, 587461), (19, 525623), (49, 203813), (119, 83923), (133, 75089), (323, 30919), (631, 15827), (833, 11989), (931, 10727), (2261, 4417)]