13129857

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 21757736

約数和(自身を除く): 8627879

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 337, 351, 481, 999, 1011, 1053, 1443, 2997, 3033, 4329, 4381, 9099, 12469, 12987, 13143, 27297, 37407, 38961, 39429, 112221, 118287, 162097, 336663, 354861, 486291, 1009989, 1458873, 4376619, 13129857]

約数ペア:

[(1, 13129857), (3, 4376619), (9, 1458873), (13, 1009989), (27, 486291), (37, 354861), (39, 336663), (81, 162097), (111, 118287), (117, 112221), (333, 39429), (337, 38961), (351, 37407), (481, 27297), (999, 13143), (1011, 12987), (1053, 12469), (1443, 9099), (2997, 4381), (3033, 4329)]