129208521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{6359}}^1$

素因数の和:6896

約数の個数: 16

約数和(自身を含む): 185915520

約数和(自身を除く): 56706999

約数列:

[1, 3, 13, 39, 521, 1563, 6359, 6773, 19077, 20319, 82667, 248001, 3313039, 9939117, 43069507, 129208521]

約数ペア:

[(1, 129208521), (3, 43069507), (13, 9939117), (39, 3313039), (521, 248001), (1563, 82667), (6359, 20319), (6773, 19077)]