9980509

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 12519936

約数和(自身を除く): 2539427

約数列:

[1, 7, 11, 77, 227, 571, 1589, 2497, 3997, 6281, 17479, 43967, 129617, 907319, 1425787, 9980509]

約数ペア:

[(1, 9980509), (7, 1425787), (11, 907319), (77, 129617), (227, 43967), (571, 17479), (1589, 6281), (2497, 3997)]