131342687

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 163175040

約数和(自身を除く): 31832353

約数列:

[1, 7, 19, 49, 71, 133, 497, 931, 1349, 1987, 3479, 9443, 13909, 37753, 66101, 97363, 141077, 264271, 987539, 1849897, 2680463, 6912773, 18763241, 131342687]

約数ペア:

[(1, 131342687), (7, 18763241), (19, 6912773), (49, 2680463), (71, 1849897), (133, 987539), (497, 264271), (931, 141077), (1349, 97363), (1987, 66101), (3479, 37753), (9443, 13909)]