243900475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107209}}^1$

素因数の和:107239

約数の個数: 24

約数和(自身を含む): 372233120

約数和(自身を除く): 128332645

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 107209, 536045, 750463, 1393717, 2680225, 3752315, 6968585, 9756019, 18761575, 34842925, 48780095, 243900475]

約数ペア:

[(1, 243900475), (5, 48780095), (7, 34842925), (13, 18761575), (25, 9756019), (35, 6968585), (65, 3752315), (91, 2680225), (175, 1393717), (325, 750463), (455, 536045), (2275, 107209)]