198812799

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{33623}}^1$

素因数の和:33708

約数の個数: 20

約数和(自身を含む): 301069296

約数和(自身を除く): 102256497

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 33623, 100869, 302607, 907821, 2454479, 2723463, 7363437, 22090311, 66270933, 198812799]

約数ペア:

[(1, 198812799), (3, 66270933), (9, 22090311), (27, 7363437), (73, 2723463), (81, 2454479), (219, 907821), (657, 302607), (1971, 100869), (5913, 33623)]