9990715

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2179}}^1$

素因数の和:2322

約数の個数: 16

約数和(自身を含む): 13812480

約数和(自身を除く): 3821765

約数列:

[1, 5, 7, 35, 131, 655, 917, 2179, 4585, 10895, 15253, 76265, 285449, 1427245, 1998143, 9990715]

約数ペア:

[(1, 9990715), (5, 1998143), (7, 1427245), (35, 285449), (131, 76265), (655, 15253), (917, 10895), (2179, 4585)]