16685721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8389}}^1$

素因数の和:8425

約数の個数: 24

約数和(自身を含む): 27485640

約数和(自身を除く): 10799919

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 8389, 25167, 75501, 109057, 142613, 327171, 427839, 981513, 1283517, 1853969, 5561907, 16685721]

約数ペア:

[(1, 16685721), (3, 5561907), (9, 1853969), (13, 1283517), (17, 981513), (39, 427839), (51, 327171), (117, 142613), (153, 109057), (221, 75501), (663, 25167), (1989, 8389)]