13787103

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 21280000

約数和(自身を除く): 7492897

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 363, 627, 1999, 2299, 5997, 6897, 21989, 37981, 65967, 113943, 241879, 417791, 725637, 1253373, 4595701, 13787103]

約数ペア:

[(1, 13787103), (3, 4595701), (11, 1253373), (19, 725637), (33, 417791), (57, 241879), (121, 113943), (209, 65967), (363, 37981), (627, 21989), (1999, 6897), (2299, 5997)]