209997105

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{77347}}^1$

素因数の和:77536

約数の個数: 16

約数和(自身を含む): 337856064

約数和(自身を除く): 127858959

約数列:

[1, 3, 5, 15, 181, 543, 905, 2715, 77347, 232041, 386735, 1160205, 13999807, 41999421, 69999035, 209997105]

約数ペア:

[(1, 209997105), (3, 69999035), (5, 41999421), (15, 13999807), (181, 1160205), (543, 386735), (905, 232041), (2715, 77347)]