2005143987

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8680277}}^1$

素因数の和:8680298

約数の個数: 16

約数和(自身を含む): 3333226752

約数和(自身を除く): 1328082765

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 8680277, 26040831, 60761939, 95483047, 182285817, 286449141, 668381329, 2005143987]

約数ペア:

[(1, 2005143987), (3, 668381329), (7, 286449141), (11, 182285817), (21, 95483047), (33, 60761939), (77, 26040831), (231, 8680277)]