2920778889

素因数分解:

$3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{198409}}^1$

素因数の和:199120

約数の個数: 16

約数和(自身を含む): 4457082240

約数和(自身を除く): 1536303351

約数列:

[1, 3, 7, 21, 701, 2103, 4907, 14721, 198409, 595227, 1388863, 4166589, 139084709, 417254127, 973592963, 2920778889]

約数ペア:

[(1, 2920778889), (3, 973592963), (7, 417254127), (21, 139084709), (701, 4166589), (2103, 1388863), (4907, 595227), (14721, 198409)]