142020865

素因数分解:

$5^1\times 7^3\times {\mathrm{82811}}^1$

素因数の和:82837

約数の個数: 16

約数和(自身を含む): 198748800

約数和(自身を除く): 56727935

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 82811, 414055, 579677, 2898385, 4057739, 20288695, 28404173, 142020865]

約数ペア:

[(1, 142020865), (5, 28404173), (7, 20288695), (35, 4057739), (49, 2898385), (245, 579677), (343, 414055), (1715, 82811)]