28572273

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 42254888

約数和(自身を除く): 13682615

約数列:

[1, 3, 9, 73, 157, 219, 277, 471, 657, 831, 1413, 2493, 11461, 20221, 34383, 43489, 60663, 103149, 130467, 181989, 391401, 3174697, 9524091, 28572273]

約数ペア:

[(1, 28572273), (3, 9524091), (9, 3174697), (73, 391401), (157, 181989), (219, 130467), (277, 103149), (471, 60663), (657, 43489), (831, 34383), (1413, 20221), (2493, 11461)]