28406979

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 42831360

約数和(自身を除く): 14424381

約数列:

[1, 3, 9, 29, 87, 127, 261, 381, 857, 1143, 2571, 3683, 7713, 11049, 24853, 33147, 74559, 108839, 223677, 326517, 979551, 3156331, 9468993, 28406979]

約数ペア:

[(1, 28406979), (3, 9468993), (9, 3156331), (29, 979551), (87, 326517), (127, 223677), (261, 108839), (381, 74559), (857, 33147), (1143, 24853), (2571, 11049), (3683, 7713)]