12897807

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7691}}^1$

素因数の和:7750

約数の個数: 16

約数和(自身を含む): 18953088

約数和(自身を除く): 6055281

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 7691, 23073, 99983, 299949, 330713, 992139, 4299269, 12897807]

約数ペア:

[(1, 12897807), (3, 4299269), (13, 992139), (39, 330713), (43, 299949), (129, 99983), (559, 23073), (1677, 7691)]