247326489

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{95089}}^1$

素因数の和:95129

約数の個数: 18

約数和(自身を含む): 379504190

約数和(自身を除く): 132177701

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 95089, 285267, 855801, 1616513, 4849539, 14548617, 27480721, 82442163, 247326489]

約数ペア:

[(1, 247326489), (3, 82442163), (9, 27480721), (17, 14548617), (51, 4849539), (153, 1616513), (289, 855801), (867, 285267), (2601, 95089)]