68885999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24419}}^1$

素因数の和:24470

約数の個数: 16

約数和(自身を含む): 87521280

約数和(自身を除く): 18635281

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 24419, 170933, 317447, 756989, 2222129, 5298923, 9840857, 68885999]

約数ペア:

[(1, 68885999), (7, 9840857), (13, 5298923), (31, 2222129), (91, 756989), (217, 317447), (403, 170933), (2821, 24419)]