128091855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{502321}}^1$

素因数の和:502346

約数の個数: 16

約数和(自身を含む): 217003104

約数和(自身を除く): 88911249

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 502321, 1506963, 2511605, 7534815, 8539457, 25618371, 42697285, 128091855]

約数ペア:

[(1, 128091855), (3, 42697285), (5, 25618371), (15, 8539457), (17, 7534815), (51, 2511605), (85, 1506963), (255, 502321)]