40991211

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{21383}}^1$

素因数の和:21463

約数の個数: 16

約数和(自身を含む): 61585920

約数和(自身を除く): 20594709

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 21383, 64149, 192447, 577341, 1518193, 4554579, 13663737, 40991211]

約数ペア:

[(1, 40991211), (3, 13663737), (9, 4554579), (27, 1518193), (71, 577341), (213, 192447), (639, 64149), (1917, 21383)]