199386531

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{312029}}^1$

素因数の和:312106

約数の個数: 12

約数和(自身を含む): 292060080

約数和(自身を除く): 92673549

約数列:

[1, 3, 9, 71, 213, 639, 312029, 936087, 2808261, 22154059, 66462177, 199386531]

約数ペア:

[(1, 199386531), (3, 66462177), (9, 22154059), (71, 2808261), (213, 936087), (639, 312029)]