2019985101

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{4400839}}^1$

素因数の和:4400865

約数の個数: 16

約数和(自身を含む): 3168604800

約数和(自身を除く): 1148619699

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 4400839, 13202517, 39607551, 74814263, 118822653, 224442789, 673328367, 2019985101]

約数ペア:

[(1, 2019985101), (3, 673328367), (9, 224442789), (17, 118822653), (27, 74814263), (51, 39607551), (153, 13202517), (459, 4400839)]