9902815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2087}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 12979008

約数和(自身を除く): 3076193

約数列:

[1, 5, 13, 65, 73, 365, 949, 2087, 4745, 10435, 27131, 135655, 152351, 761755, 1980563, 9902815]

約数ペア:

[(1, 9902815), (5, 1980563), (13, 761755), (65, 152351), (73, 135655), (365, 27131), (949, 10435), (2087, 4745)]