81920871

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{1061}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 123922656

約数和(自身を除く): 42001785

約数列:

[1, 3, 9, 23, 69, 207, 373, 1061, 1119, 3183, 3357, 8579, 9549, 24403, 25737, 73209, 77211, 219627, 395753, 1187259, 3561777, 9102319, 27306957, 81920871]

約数ペア:

[(1, 81920871), (3, 27306957), (9, 9102319), (23, 3561777), (69, 1187259), (207, 395753), (373, 219627), (1061, 77211), (1119, 73209), (3183, 25737), (3357, 24403), (8579, 9549)]