26396643

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 46475520

約数和(自身を除く): 20078877

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 727, 741, 931, 1729, 1911, 2181, 2793, 5089, 5187, 9451, 12103, 13813, 15267, 28353, 35623, 36309, 41439, 66157, 96691, 106869, 179569, 198471, 290073, 463099, 538707, 676837, 1256983, 1389297, 2030511, 3770949, 8798881, 26396643]

約数ペア:

[(1, 26396643), (3, 8798881), (7, 3770949), (13, 2030511), (19, 1389297), (21, 1256983), (39, 676837), (49, 538707), (57, 463099), (91, 290073), (133, 198471), (147, 179569), (247, 106869), (273, 96691), (399, 66157), (637, 41439), (727, 36309), (741, 35623), (931, 28353), (1729, 15267), (1911, 13813), (2181, 12103), (2793, 9451), (5089, 5187)]