13987923

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3863}}^1$

素因数の和:3954

約数の個数: 16

約数和(自身を含む): 20030976

約数和(自身を除く): 6043053

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 3863, 11589, 65671, 197013, 274273, 822819, 4662641, 13987923]

約数ペア:

[(1, 13987923), (3, 4662641), (17, 822819), (51, 274273), (71, 197013), (213, 65671), (1207, 11589), (3621, 3863)]