27431721

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 41142816

約数和(自身を除く): 13711095

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 971, 2913, 3139, 8739, 9417, 28251, 41753, 70883, 125259, 212649, 375777, 637947, 3047969, 9143907, 27431721]

約数ペア:

[(1, 27431721), (3, 9143907), (9, 3047969), (43, 637947), (73, 375777), (129, 212649), (219, 125259), (387, 70883), (657, 41753), (971, 28251), (2913, 9417), (3139, 8739)]