128918085

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199873}}^1$

素因数の和:199924

約数の個数: 16

約数和(自身を含む): 211066944

約数和(自身を除く): 82148859

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 199873, 599619, 999365, 2998095, 8594539, 25783617, 42972695, 128918085]

約数ペア:

[(1, 128918085), (3, 42972695), (5, 25783617), (15, 8594539), (43, 2998095), (129, 999365), (215, 599619), (645, 199873)]