208679919

素因数分解:

$3^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{13127}}^1$

素因数の和:13894

約数の個数: 16

約数和(自身を含む): 318432768

約数和(自身を除く): 109752849

約数列:

[1, 3, 7, 21, 757, 2271, 5299, 13127, 15897, 39381, 91889, 275667, 9937139, 29811417, 69559973, 208679919]

約数ペア:

[(1, 208679919), (3, 69559973), (7, 29811417), (21, 9937139), (757, 275667), (2271, 91889), (5299, 39381), (13127, 15897)]