40342239

素因数分解:

$3^3\times 7^2\times {\mathrm{30493}}^1$

素因数の和:30516

約数の個数: 24

約数和(自身を含む): 69526320

約数和(自身を除く): 29184081

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 30493, 91479, 213451, 274437, 640353, 823311, 1494157, 1921059, 4482471, 5763177, 13447413, 40342239]

約数ペア:

[(1, 40342239), (3, 13447413), (7, 5763177), (9, 4482471), (21, 1921059), (27, 1494157), (49, 823311), (63, 640353), (147, 274437), (189, 213451), (441, 91479), (1323, 30493)]