257517063

素因数分解:

$3^7\times {\mathrm{73}}^1\times {\mathrm{1613}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 391750080

約数和(自身を除く): 134233017

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 729, 1613, 1971, 2187, 4839, 5913, 14517, 17739, 43551, 53217, 117749, 130653, 159651, 353247, 391959, 1059741, 1175877, 3179223, 3527631, 9537669, 28613007, 85839021, 257517063]

約数ペア:

[(1, 257517063), (3, 85839021), (9, 28613007), (27, 9537669), (73, 3527631), (81, 3179223), (219, 1175877), (243, 1059741), (657, 391959), (729, 353247), (1613, 159651), (1971, 130653), (2187, 117749), (4839, 53217), (5913, 43551), (14517, 17739)]