28920705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{175277}}^1$

素因数の和:175296

約数の個数: 16

約数和(自身を含む): 50480064

約数和(自身を除く): 21559359

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 175277, 525831, 876385, 1928047, 2629155, 5784141, 9640235, 28920705]

約数ペア:

[(1, 28920705), (3, 9640235), (5, 5784141), (11, 2629155), (15, 1928047), (33, 876385), (55, 525831), (165, 175277)]