128571004809

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{366299159}}^1$

素因数の和:366299181

約数の個数: 16

約数和(自身を含む): 205127529600

約数和(自身を除く): 76556524791

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 366299159, 1098897477, 3296692431, 4761889067, 9890077293, 14285667201, 42857001603, 128571004809]

約数ペア:

[(1, 128571004809), (3, 42857001603), (9, 14285667201), (13, 9890077293), (27, 4761889067), (39, 3296692431), (117, 1098897477), (351, 366299159)]