28861581

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{33521}}^1$

素因数の和:33572

約数の個数: 16

約数和(自身を含む): 45053568

約数和(自身を除く): 16191987

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 33521, 100563, 234647, 703941, 1374361, 4123083, 9620527, 28861581]

約数ペア:

[(1, 28861581), (3, 9620527), (7, 4123083), (21, 1374361), (41, 703941), (123, 234647), (287, 100563), (861, 33521)]