9980005

素因数分解:

$5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{911}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 13745664

約数和(自身を除く): 3765659

約数列:

[1, 5, 7, 35, 313, 911, 1565, 2191, 4555, 6377, 10955, 31885, 285143, 1425715, 1996001, 9980005]

約数ペア:

[(1, 9980005), (5, 1996001), (7, 1425715), (35, 285143), (313, 31885), (911, 10955), (1565, 6377), (2191, 4555)]