199492713

素因数分解:

$3^4\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1823}}^1$

素因数の和:2035

約数の個数: 40

約数和(自身を含む): 342532608

約数和(自身を除く): 143039895

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 193, 567, 579, 1351, 1737, 1823, 4053, 5211, 5469, 12159, 12761, 15633, 16407, 36477, 38283, 49221, 109431, 114849, 147663, 344547, 351839, 1033641, 1055517, 2462873, 3166551, 7388619, 9499653, 22165857, 28498959, 66497571, 199492713]

約数ペア:

[(1, 199492713), (3, 66497571), (7, 28498959), (9, 22165857), (21, 9499653), (27, 7388619), (63, 3166551), (81, 2462873), (189, 1055517), (193, 1033641), (567, 351839), (579, 344547), (1351, 147663), (1737, 114849), (1823, 109431), (4053, 49221), (5211, 38283), (5469, 36477), (12159, 16407), (12761, 15633)]