12720227559

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{39829}}^1$

素因数の和:40295

約数の個数: 32

約数和(自身を含む): 19271347200

約数和(自身を除く): 6551119641

約数列:

[1, 3, 13, 19, 39, 57, 247, 431, 741, 1293, 5603, 8189, 16809, 24567, 39829, 106457, 119487, 319371, 517777, 756751, 1553331, 2270253, 9837763, 17166299, 29513289, 51498897, 223161887, 326159681, 669485661, 978479043, 4240075853, 12720227559]

約数ペア:

[(1, 12720227559), (3, 4240075853), (13, 978479043), (19, 669485661), (39, 326159681), (57, 223161887), (247, 51498897), (431, 29513289), (741, 17166299), (1293, 9837763), (5603, 2270253), (8189, 1553331), (16809, 756751), (24567, 517777), (39829, 319371), (106457, 119487)]