127457709

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 180633600

約数和(自身を除く): 53175891

約数列:

[1, 3, 31, 71, 93, 97, 199, 213, 291, 597, 2201, 3007, 6169, 6603, 6887, 9021, 14129, 18507, 19303, 20661, 42387, 57909, 213497, 437999, 598393, 640491, 1313997, 1370513, 1795179, 4111539, 42485903, 127457709]

約数ペア:

[(1, 127457709), (3, 42485903), (31, 4111539), (71, 1795179), (93, 1370513), (97, 1313997), (199, 640491), (213, 598393), (291, 437999), (597, 213497), (2201, 57909), (3007, 42387), (6169, 20661), (6603, 19303), (6887, 18507), (9021, 14129)]