128209311

素因数分解:

$3^4\times {\mathrm{359}}^1\times {\mathrm{4409}}^1$

素因数の和:4780

約数の個数: 20

約数和(自身を含む): 192099600

約数和(自身を除く): 63890289

約数列:

[1, 3, 9, 27, 81, 359, 1077, 3231, 4409, 9693, 13227, 29079, 39681, 119043, 357129, 1582831, 4748493, 14245479, 42736437, 128209311]

約数ペア:

[(1, 128209311), (3, 42736437), (9, 14245479), (27, 4748493), (81, 1582831), (359, 357129), (1077, 119043), (3231, 39681), (4409, 29079), (9693, 13227)]