80811999

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{58687}}^1$

素因数の和:58716

約数の個数: 20

約数和(自身を含む): 127822464

約数和(自身を除く): 47010465

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 58687, 176061, 528183, 997679, 1584549, 2993037, 4753647, 8979111, 26937333, 80811999]

約数ペア:

[(1, 80811999), (3, 26937333), (9, 8979111), (17, 4753647), (27, 2993037), (51, 1584549), (81, 997679), (153, 528183), (459, 176061), (1377, 58687)]