81940929

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{881}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 129153024

約数和(自身を除く): 47212095

約数列:

[1, 3, 7, 21, 43, 103, 129, 301, 309, 721, 881, 903, 2163, 2643, 4429, 6167, 13287, 18501, 31003, 37883, 90743, 93009, 113649, 265181, 272229, 635201, 795543, 1905603, 3901949, 11705847, 27313643, 81940929]

約数ペア:

[(1, 81940929), (3, 27313643), (7, 11705847), (21, 3901949), (43, 1905603), (103, 795543), (129, 635201), (301, 272229), (309, 265181), (721, 113649), (881, 93009), (903, 90743), (2163, 37883), (2643, 31003), (4429, 18501), (6167, 13287)]