687515121

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{95369}}^1$

素因数の和:95470

約数の個数: 20

約数和(自身を含む): 1038579300

約数和(自身を除く): 351064179

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 95369, 286107, 858321, 2574963, 7724889, 8487841, 25463523, 76390569, 229171707, 687515121]

約数ペア:

[(1, 687515121), (3, 229171707), (9, 76390569), (27, 25463523), (81, 8487841), (89, 7724889), (267, 2574963), (801, 858321), (2403, 286107), (7209, 95369)]