1990581

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1697}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 2934144

約数和(自身を除く): 943563

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 1697, 5091, 28849, 39031, 86547, 117093, 663527, 1990581]

約数ペア:

[(1, 1990581), (3, 663527), (17, 117093), (23, 86547), (51, 39031), (69, 28849), (391, 5091), (1173, 1697)]