28332261

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{3209}}^1$

素因数の和:3330

約数の個数: 20

約数和(自身を含む): 42725100

約数和(自身を除く): 14392839

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 3209, 8829, 9627, 28881, 86643, 259929, 349781, 1049343, 3148029, 9444087, 28332261]

約数ペア:

[(1, 28332261), (3, 9444087), (9, 3148029), (27, 1049343), (81, 349781), (109, 259929), (327, 86643), (981, 28881), (2943, 9627), (3209, 8829)]