213678081

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{36137}}^1$

素因数の和:36222

約数の個数: 20

約数和(自身を含む): 323579652

約数和(自身を除く): 109901571

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 36137, 108411, 325233, 975699, 2638001, 2927097, 7914003, 23742009, 71226027, 213678081]

約数ペア:

[(1, 213678081), (3, 71226027), (9, 23742009), (27, 7914003), (73, 2927097), (81, 2638001), (219, 975699), (657, 325233), (1971, 108411), (5913, 36137)]