28393569

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1879}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 43405440

約数和(自身を除く): 15011871

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1679, 1879, 5037, 5637, 15111, 16911, 43217, 129651, 137167, 388953, 411501, 1234503, 3154841, 9464523, 28393569]

約数ペア:

[(1, 28393569), (3, 9464523), (9, 3154841), (23, 1234503), (69, 411501), (73, 388953), (207, 137167), (219, 129651), (657, 43217), (1679, 16911), (1879, 15111), (5037, 5637)]