137628001

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 167883840

約数和(自身を除く): 30255839

約数列:

[1, 7, 19, 107, 133, 361, 509, 749, 2033, 2527, 3563, 9671, 14231, 38627, 54463, 67697, 183749, 270389, 381241, 1034797, 1286243, 7243579, 19661143, 137628001]

約数ペア:

[(1, 137628001), (7, 19661143), (19, 7243579), (107, 1286243), (133, 1034797), (361, 381241), (509, 270389), (749, 183749), (2033, 67697), (2527, 54463), (3563, 38627), (9671, 14231)]