128547999

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{280061}}^1$

素因数の和:280087

約数の個数: 16

約数和(自身を含む): 201644640

約数和(自身を除く): 73096641

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 280061, 840183, 2520549, 4761037, 7561647, 14283111, 42849333, 128547999]

約数ペア:

[(1, 128547999), (3, 42849333), (9, 14283111), (17, 7561647), (27, 4761037), (51, 2520549), (153, 840183), (459, 280061)]