51320073

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^2$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 80629312

約数和(自身を除く): 29309239

約数列:

[1, 3, 7, 21, 37, 111, 257, 259, 771, 777, 1799, 5397, 9509, 28527, 66049, 66563, 198147, 199689, 462343, 1387029, 2443813, 7331439, 17106691, 51320073]

約数ペア:

[(1, 51320073), (3, 17106691), (7, 7331439), (21, 2443813), (37, 1387029), (111, 462343), (257, 199689), (259, 198147), (771, 66563), (777, 66049), (1799, 28527), (5397, 9509)]