201998040003

素因数分解:

$3^4\times {\mathrm{1319}}^1\times {\mathrm{1890677}}^1$

素因数の和:1892008

約数の個数: 20

約数和(自身を含む): 301979090160

約数和(自身を除く): 99981050157

約数列:

[1, 3, 9, 27, 81, 1319, 3957, 11871, 35613, 106839, 1890677, 5672031, 17016093, 51048279, 153144837, 2493802963, 7481408889, 22444226667, 67332680001, 201998040003]

約数ペア:

[(1, 201998040003), (3, 67332680001), (9, 22444226667), (27, 7481408889), (81, 2493802963), (1319, 153144837), (3957, 51048279), (11871, 17016093), (35613, 5672031), (106839, 1890677)]