65647215

素因数分解:

$3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2207}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 114012288

約数和(自身を除く): 48365073

約数列:

[1, 3, 5, 9, 15, 45, 661, 1983, 2207, 3305, 5949, 6621, 9915, 11035, 19863, 29745, 33105, 99315, 1458827, 4376481, 7294135, 13129443, 21882405, 65647215]

約数ペア:

[(1, 65647215), (3, 21882405), (5, 13129443), (9, 7294135), (15, 4376481), (45, 1458827), (661, 99315), (1983, 33105), (2207, 29745), (3305, 19863), (5949, 11035), (6621, 9915)]