16622721

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 25286976

約数和(自身を除く): 8664255

約数列:

[1, 3, 9, 23, 69, 131, 207, 393, 613, 1179, 1839, 3013, 5517, 9039, 14099, 27117, 42297, 80303, 126891, 240909, 722727, 1846969, 5540907, 16622721]

約数ペア:

[(1, 16622721), (3, 5540907), (9, 1846969), (23, 722727), (69, 240909), (131, 126891), (207, 80303), (393, 42297), (613, 27117), (1179, 14099), (1839, 9039), (3013, 5517)]