128528757

素因数分解:

$3^2\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{1499}}^1$

素因数の和:2873

約数の個数: 24

約数和(自身を含む): 212472000

約数和(自身を除く): 83943243

約数列:

[1, 3, 7, 9, 21, 63, 1361, 1499, 4083, 4497, 9527, 10493, 12249, 13491, 28581, 31479, 85743, 94437, 2040139, 6120417, 14280973, 18361251, 42842919, 128528757]

約数ペア:

[(1, 128528757), (3, 42842919), (7, 18361251), (9, 14280973), (21, 6120417), (63, 2040139), (1361, 94437), (1499, 85743), (4083, 31479), (4497, 28581), (9527, 13491), (10493, 12249)]