128661135

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{47389}}^1$

素因数の和:47578

約数の個数: 16

約数和(自身を含む): 206999520

約数和(自身を除く): 78338385

約数列:

[1, 3, 5, 15, 181, 543, 905, 2715, 47389, 142167, 236945, 710835, 8577409, 25732227, 42887045, 128661135]

約数ペア:

[(1, 128661135), (3, 42887045), (5, 25732227), (15, 8577409), (181, 710835), (543, 236945), (905, 142167), (2715, 47389)]