13137615

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2131}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 22948848

約数和(自身を除く): 9811233

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 2131, 6165, 6393, 10655, 19179, 31965, 95895, 291947, 875841, 1459735, 2627523, 4379205, 13137615]

約数ペア:

[(1, 13137615), (3, 4379205), (5, 2627523), (9, 1459735), (15, 875841), (45, 291947), (137, 95895), (411, 31965), (685, 19179), (1233, 10655), (2055, 6393), (2131, 6165)]