12871803

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 7449477

約数列:

[1, 3, 7, 21, 71, 89, 97, 213, 267, 291, 497, 623, 679, 1491, 1869, 2037, 6319, 6887, 8633, 18957, 20661, 25899, 44233, 48209, 60431, 132699, 144627, 181293, 612943, 1838829, 4290601, 12871803]

約数ペア:

[(1, 12871803), (3, 4290601), (7, 1838829), (21, 612943), (71, 181293), (89, 144627), (97, 132699), (213, 60431), (267, 48209), (291, 44233), (497, 25899), (623, 20661), (679, 18957), (1491, 8633), (1869, 6887), (2037, 6319)]