128304855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{407317}}^1$

素因数の和:407335

約数の個数: 24

約数和(自身を含む): 254166432

約数和(自身を除く): 125861577

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 407317, 1221951, 2036585, 2851219, 3665853, 6109755, 8553657, 14256095, 18329265, 25660971, 42768285, 128304855]

約数ペア:

[(1, 128304855), (3, 42768285), (5, 25660971), (7, 18329265), (9, 14256095), (15, 8553657), (21, 6109755), (35, 3665853), (45, 2851219), (63, 2036585), (105, 1221951), (315, 407317)]