71287785

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21701}}^1$

素因数の和:21785

約数の個数: 24

約数和(自身を含む): 125263944

約数和(自身を除く): 53976159

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 21701, 65103, 108505, 195309, 325515, 976545, 1584173, 4752519, 7920865, 14257557, 23762595, 71287785]

約数ペア:

[(1, 71287785), (3, 23762595), (5, 14257557), (9, 7920865), (15, 4752519), (45, 1584173), (73, 976545), (219, 325515), (365, 195309), (657, 108505), (1095, 65103), (3285, 21701)]