28240689

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3527}}^1$

素因数の和:3704

約数の個数: 16

約数和(自身を含む): 40134528

約数和(自身を除く): 11893839

約数列:

[1, 3, 17, 51, 157, 471, 2669, 3527, 8007, 10581, 59959, 179877, 553739, 1661217, 9413563, 28240689]

約数ペア:

[(1, 28240689), (3, 9413563), (17, 1661217), (51, 553739), (157, 179877), (471, 59959), (2669, 10581), (3527, 8007)]