51080721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4549}}^1$

素因数の和:4768

約数の個数: 16

約数和(自身を含む): 72072000

約数和(自身を除く): 20991279

約数列:

[1, 3, 19, 57, 197, 591, 3743, 4549, 11229, 13647, 86431, 259293, 896153, 2688459, 17026907, 51080721]

約数ペア:

[(1, 51080721), (3, 17026907), (19, 2688459), (57, 896153), (197, 259293), (591, 86431), (3743, 13647), (4549, 11229)]