2018520729

素因数分解:

$3^4\times {\mathrm{229}}^1\times {\mathrm{108821}}^1$

素因数の和:109062

約数の個数: 20

約数和(自身を含む): 3028516260

約数和(自身を除く): 1009995531

約数列:

[1, 3, 9, 27, 81, 229, 687, 2061, 6183, 18549, 108821, 326463, 979389, 2938167, 8814501, 24920009, 74760027, 224280081, 672840243, 2018520729]

約数ペア:

[(1, 2018520729), (3, 672840243), (9, 224280081), (27, 74760027), (81, 24920009), (229, 8814501), (687, 2938167), (2061, 979389), (6183, 326463), (18549, 108821)]