81348825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{63803}}^1$

素因数の和:63833

約数の個数: 24

約数和(自身を含む): 142410528

約数和(自身を除く): 61061703

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 63803, 191409, 319015, 957045, 1084651, 1595075, 3253953, 4785225, 5423255, 16269765, 27116275, 81348825]

約数ペア:

[(1, 81348825), (3, 27116275), (5, 16269765), (15, 5423255), (17, 4785225), (25, 3253953), (51, 1595075), (75, 1084651), (85, 957045), (255, 319015), (425, 191409), (1275, 63803)]