1566288657

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{264889}}^1$

素因数の和:264974

約数の個数: 20

約数和(自身を含む): 2371825060

約数和(自身を除く): 805536403

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 264889, 794667, 2384001, 7152003, 19336897, 21456009, 58010691, 174032073, 522096219, 1566288657]

約数ペア:

[(1, 1566288657), (3, 522096219), (9, 174032073), (27, 58010691), (73, 21456009), (81, 19336897), (219, 7152003), (657, 2384001), (1971, 794667), (5913, 264889)]