15680847

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 10446513

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 809, 923, 1491, 2427, 2769, 5663, 6461, 10517, 16989, 19383, 31551, 57439, 73619, 172317, 220857, 402073, 746707, 1206219, 2240121, 5226949, 15680847]

約数ペア:

[(1, 15680847), (3, 5226949), (7, 2240121), (13, 1206219), (21, 746707), (39, 402073), (71, 220857), (91, 172317), (213, 73619), (273, 57439), (497, 31551), (809, 19383), (923, 16989), (1491, 10517), (2427, 6461), (2769, 5663)]