789831

素因数分解:

$3^4\times 7^2\times {\mathrm{199}}^1$

素因数の和:225

約数の個数: 30

約数和(自身を含む): 1379400

約数和(自身を除く): 589569

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 199, 441, 567, 597, 1323, 1393, 1791, 3969, 4179, 5373, 9751, 12537, 16119, 29253, 37611, 87759, 112833, 263277, 789831]

約数ペア:

[(1, 789831), (3, 263277), (7, 112833), (9, 87759), (21, 37611), (27, 29253), (49, 16119), (63, 12537), (81, 9751), (147, 5373), (189, 4179), (199, 3969), (441, 1791), (567, 1393), (597, 1323)]