2139981

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 2984256

約数和(自身を除く): 844275

約数列:

[1, 3, 43, 53, 129, 159, 313, 939, 2279, 6837, 13459, 16589, 40377, 49767, 713327, 2139981]

約数ペア:

[(1, 2139981), (3, 713327), (43, 49767), (53, 40377), (129, 16589), (159, 13459), (313, 6837), (939, 2279)]