51129405

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7237}}^1$

素因数の和:7405

約数の個数: 24

約数和(自身を含む): 89201112

約数和(自身を除く): 38071707

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 7237, 21711, 36185, 65133, 108555, 325665, 1136209, 3408627, 5681045, 10225881, 17043135, 51129405]

約数ペア:

[(1, 51129405), (3, 17043135), (5, 10225881), (9, 5681045), (15, 3408627), (45, 1136209), (157, 325665), (471, 108555), (785, 65133), (1413, 36185), (2355, 21711), (7065, 7237)]