28205937

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{587}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 43112160

約数和(自身を除く): 14906223

約数列:

[1, 3, 9, 19, 57, 171, 281, 587, 843, 1761, 2529, 5283, 5339, 11153, 16017, 33459, 48051, 100377, 164947, 494841, 1484523, 3133993, 9401979, 28205937]

約数ペア:

[(1, 28205937), (3, 9401979), (9, 3133993), (19, 1484523), (57, 494841), (171, 164947), (281, 100377), (587, 48051), (843, 33459), (1761, 16017), (2529, 11153), (5283, 5339)]