2000990103

素因数分解:

$3^1\times 7^1\times {\mathrm{3989}}^1\times {\mathrm{23887}}^1$

素因数の和:27886

約数の個数: 16

約数和(自身を含む): 3050019840

約数和(自身を除く): 1049029737

約数列:

[1, 3, 7, 21, 3989, 11967, 23887, 27923, 71661, 83769, 167209, 501627, 95285243, 285855729, 666996701, 2000990103]

約数ペア:

[(1, 2000990103), (3, 666996701), (7, 285855729), (21, 95285243), (3989, 501627), (11967, 167209), (23887, 83769), (27923, 71661)]