16538661

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{2797}}^1$

素因数の和:2882

約数の個数: 20

約数和(自身を含む): 25053292

約数和(自身を除く): 8514631

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 2797, 5913, 8391, 25173, 75519, 204181, 226557, 612543, 1837629, 5512887, 16538661]

約数ペア:

[(1, 16538661), (3, 5512887), (9, 1837629), (27, 612543), (73, 226557), (81, 204181), (219, 75519), (657, 25173), (1971, 8391), (2797, 5913)]