1279707

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 2123520

約数和(自身を除く): 843813

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 157, 209, 247, 429, 471, 627, 741, 1727, 2041, 2717, 2983, 5181, 6123, 8151, 8949, 22451, 32813, 38779, 67353, 98439, 116337, 426569, 1279707]

約数ペア:

[(1, 1279707), (3, 426569), (11, 116337), (13, 98439), (19, 67353), (33, 38779), (39, 32813), (57, 22451), (143, 8949), (157, 8151), (209, 6123), (247, 5181), (429, 2983), (471, 2717), (627, 2041), (741, 1727)]