51580557

素因数分解:

$3^4\times 7^1\times {\mathrm{90971}}^1$

素因数の和:90990

約数の個数: 20

約数和(自身を含む): 88060896

約数和(自身を除く): 36480339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 90971, 272913, 636797, 818739, 1910391, 2456217, 5731173, 7368651, 17193519, 51580557]

約数ペア:

[(1, 51580557), (3, 17193519), (7, 7368651), (9, 5731173), (21, 2456217), (27, 1910391), (63, 818739), (81, 636797), (189, 272913), (567, 90971)]