6581493

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:626

約数の個数: 20

約数和(自身を含む): 9906028

約数和(自身を除く): 3324535

約数列:

[1, 3, 9, 27, 81, 193, 421, 579, 1263, 1737, 3789, 5211, 11367, 15633, 34101, 81253, 243759, 731277, 2193831, 6581493]

約数ペア:

[(1, 6581493), (3, 2193831), (9, 731277), (27, 243759), (81, 81253), (193, 34101), (421, 15633), (579, 11367), (1263, 5211), (1737, 3789)]