28657005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{821}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 49714560

約数和(自身を除く): 21057555

約数列:

[1, 3, 5, 13, 15, 39, 65, 179, 195, 537, 821, 895, 2327, 2463, 2685, 4105, 6981, 10673, 11635, 12315, 32019, 34905, 53365, 146959, 160095, 440877, 734795, 1910467, 2204385, 5731401, 9552335, 28657005]

約数ペア:

[(1, 28657005), (3, 9552335), (5, 5731401), (13, 2204385), (15, 1910467), (39, 734795), (65, 440877), (179, 160095), (195, 146959), (537, 53365), (821, 34905), (895, 32019), (2327, 12315), (2463, 11635), (2685, 10673), (4105, 6981)]