77680815

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{12301}}^1$

素因数の和:12730

約数の個数: 16

約数和(自身を含む): 124594656

約数和(自身を除く): 46913841

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 6315, 12301, 36903, 61505, 184515, 5178721, 15536163, 25893605, 77680815]

約数ペア:

[(1, 77680815), (3, 25893605), (5, 15536163), (15, 5178721), (421, 184515), (1263, 61505), (2105, 36903), (6315, 12301)]