13074489

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 20047040

約数和(自身を除く): 6972551

約数列:

[1, 3, 9, 19, 57, 157, 171, 471, 487, 1413, 1461, 2983, 4383, 8949, 9253, 26847, 27759, 76459, 83277, 229377, 688131, 1452721, 4358163, 13074489]

約数ペア:

[(1, 13074489), (3, 4358163), (9, 1452721), (19, 688131), (57, 229377), (157, 83277), (171, 76459), (471, 27759), (487, 26847), (1413, 9253), (1461, 8949), (2983, 4383)]