821172654

素因数分解:

$2^1\times 3^4\times {\mathrm{5068967}}^1$

素因数の和:5068981

約数の個数: 20

約数和(自身を含む): 1840035384

約数和(自身を除く): 1018862730

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 5068967, 10137934, 15206901, 30413802, 45620703, 91241406, 136862109, 273724218, 410586327, 821172654]

約数ペア:

[(1, 821172654), (2, 410586327), (3, 273724218), (6, 136862109), (9, 91241406), (18, 45620703), (27, 30413802), (54, 15206901), (81, 10137934), (162, 5068967)]