249715143

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{106307}}^1$

素因数の和:106348

約数の個数: 20

約数和(自身を含む): 385898040

約数和(自身を除く): 136182897

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 106307, 318921, 956763, 2870289, 3082903, 8610867, 9248709, 27746127, 83238381, 249715143]

約数ペア:

[(1, 249715143), (3, 83238381), (9, 27746127), (27, 9248709), (29, 8610867), (81, 3082903), (87, 2870289), (261, 956763), (783, 318921), (2349, 106307)]