28147905

素因数分解:

$3^5\times 5^1\times {\mathrm{23167}}^1$

素因数の和:23187

約数の個数: 24

約数和(自身を含む): 50598912

約数和(自身を除く): 22451007

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23167, 69501, 115835, 208503, 347505, 625509, 1042515, 1876527, 3127545, 5629581, 9382635, 28147905]

約数ペア:

[(1, 28147905), (3, 9382635), (5, 5629581), (9, 3127545), (15, 1876527), (27, 1042515), (45, 625509), (81, 347505), (135, 208503), (243, 115835), (405, 69501), (1215, 23167)]