13138293

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{457}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 20620992

約数和(自身を除く): 7482699

約数列:

[1, 3, 7, 21, 37, 111, 259, 457, 777, 1369, 1371, 3199, 4107, 9583, 9597, 16909, 28749, 50727, 118363, 355089, 625633, 1876899, 4379431, 13138293]

約数ペア:

[(1, 13138293), (3, 4379431), (7, 1876899), (21, 625633), (37, 355089), (111, 118363), (259, 50727), (457, 28749), (777, 16909), (1369, 9597), (1371, 9583), (3199, 4107)]