16937487

素因数分解:

$3^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:412

約数の個数: 36

約数和(自身を含む): 28750800

約数和(自身を除く): 11813313

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 193, 199, 441, 579, 597, 1351, 1393, 1737, 1791, 4053, 4179, 9457, 9751, 12159, 12537, 28371, 29253, 38407, 85113, 87759, 115221, 268849, 345663, 806547, 1881943, 2419641, 5645829, 16937487]

約数ペア:

[(1, 16937487), (3, 5645829), (7, 2419641), (9, 1881943), (21, 806547), (49, 345663), (63, 268849), (147, 115221), (193, 87759), (199, 85113), (441, 38407), (579, 29253), (597, 28371), (1351, 12537), (1393, 12159), (1737, 9751), (1791, 9457), (4053, 4179)]