28339563

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22123}}^1$

素因数の和:22194

約数の個数: 16

約数和(自身を含む): 43894016

約数和(自身を除く): 15554453

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 22123, 66369, 154861, 464583, 1349503, 4048509, 9446521, 28339563]

約数ペア:

[(1, 28339563), (3, 9446521), (7, 4048509), (21, 1349503), (61, 464583), (183, 154861), (427, 66369), (1281, 22123)]