12859903

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{727}}^1$

素因数の和:779

約数の個数: 18

約数和(自身を含む): 15809976

約数和(自身を除く): 2950073

約数列:

[1, 7, 19, 49, 133, 361, 727, 931, 2527, 5089, 13813, 17689, 35623, 96691, 262447, 676837, 1837129, 12859903]

約数ペア:

[(1, 12859903), (7, 1837129), (19, 676837), (49, 262447), (133, 96691), (361, 35623), (727, 17689), (931, 13813), (2527, 5089)]