64991877

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{3209}}^1$

素因数の和:3412

約数の個数: 16

約数和(自身を含む): 89263680

約数和(自身を除く): 24271803

約数列:

[1, 3, 43, 129, 157, 471, 3209, 6751, 9627, 20253, 137987, 413961, 503813, 1511439, 21663959, 64991877]

約数ペア:

[(1, 64991877), (3, 21663959), (43, 1511439), (129, 503813), (157, 413961), (471, 137987), (3209, 20253), (6751, 9627)]