12540717

素因数分解:

$3^3\times 7^2\times {\mathrm{9479}}^1$

素因数の和:9502

約数の個数: 24

約数和(自身を含む): 21614400

約数和(自身を除く): 9073683

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 9479, 28437, 66353, 85311, 199059, 255933, 464471, 597177, 1393413, 1791531, 4180239, 12540717]

約数ペア:

[(1, 12540717), (3, 4180239), (7, 1791531), (9, 1393413), (21, 597177), (27, 464471), (49, 255933), (63, 199059), (147, 85311), (189, 66353), (441, 28437), (1323, 9479)]