12998421

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{28319}}^1$

素因数の和:28345

約数の個数: 16

約数和(自身を含む): 20390400

約数和(自身を除く): 7391979

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 28319, 84957, 254871, 481423, 764613, 1444269, 4332807, 12998421]

約数ペア:

[(1, 12998421), (3, 4332807), (9, 1444269), (17, 764613), (27, 481423), (51, 254871), (153, 84957), (459, 28319)]