201281139

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{438521}}^1$

素因数の和:438547

約数の個数: 16

約数和(自身を含む): 315735840

約数和(自身を除く): 114454701

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 438521, 1315563, 3946689, 7454857, 11840067, 22364571, 67093713, 201281139]

約数ペア:

[(1, 201281139), (3, 67093713), (9, 22364571), (17, 11840067), (27, 7454857), (51, 3946689), (153, 1315563), (459, 438521)]