2056551987

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1605427}}^1$

素因数の和:1605498

約数の個数: 16

約数和(自身を含む): 3185169152

約数和(自身を除く): 1128617165

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 1605427, 4816281, 11237989, 33713967, 97931047, 293793141, 685517329, 2056551987]

約数ペア:

[(1, 2056551987), (3, 685517329), (7, 293793141), (21, 97931047), (61, 33713967), (183, 11237989), (427, 4816281), (1281, 1605427)]