39899709

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{2579}}^1$

素因数の和:2782

約数の個数: 20

約数和(自身を含む): 59938560

約数和(自身を除く): 20038851

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 2579, 5157, 7737, 15471, 23211, 69633, 208899, 492589, 1477767, 4433301, 13299903, 39899709]

約数ペア:

[(1, 39899709), (3, 13299903), (9, 4433301), (27, 1477767), (81, 492589), (191, 208899), (573, 69633), (1719, 23211), (2579, 15471), (5157, 7737)]