199989741

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{89003}}^1$

素因数の和:89120

約数の個数: 16

約数和(自身を含む): 307597824

約数和(自身を除く): 107608083

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 89003, 267009, 623021, 1869063, 9523321, 28569963, 66663247, 199989741]

約数ペア:

[(1, 199989741), (3, 66663247), (7, 28569963), (21, 9523321), (107, 1869063), (321, 623021), (749, 267009), (2247, 89003)]