28708929

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 43209192

約数和(自身を除く): 14500263

約数列:

[1, 3, 9, 37, 73, 111, 219, 333, 657, 1181, 2701, 3543, 8103, 10629, 24309, 43697, 86213, 131091, 258639, 393273, 775917, 3189881, 9569643, 28708929]

約数ペア:

[(1, 28708929), (3, 9569643), (9, 3189881), (37, 775917), (73, 393273), (111, 258639), (219, 131091), (333, 86213), (657, 43697), (1181, 24309), (2701, 10629), (3543, 8103)]