138125855

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{7723}}^1$

素因数の和:7815

約数の個数: 24

約数和(自身を含む): 195478992

約数和(自身を除く): 57353137

約数列:

[1, 5, 7, 35, 49, 73, 245, 365, 511, 2555, 3577, 7723, 17885, 38615, 54061, 270305, 378427, 563779, 1892135, 2818895, 3946453, 19732265, 27625171, 138125855]

約数ペア:

[(1, 138125855), (5, 27625171), (7, 19732265), (35, 3946453), (49, 2818895), (73, 1892135), (245, 563779), (365, 378427), (511, 270305), (2555, 54061), (3577, 38615), (7723, 17885)]