28073805

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{39821}}^1$

素因数の和:39876

約数の個数: 16

約数和(自身を含む): 45874944

約数和(自身を除く): 17801139

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 39821, 119463, 199105, 597315, 1871587, 5614761, 9357935, 28073805]

約数ペア:

[(1, 28073805), (3, 9357935), (5, 5614761), (15, 1871587), (47, 597315), (141, 199105), (235, 119463), (705, 39821)]