6990003

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{6997}}^1$

素因数の和:7043

約数の個数: 16

約数和(自身を含む): 10636960

約数和(自身を除く): 3646957

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 6997, 20991, 62973, 188919, 258889, 776667, 2330001, 6990003]

約数ペア:

[(1, 6990003), (3, 2330001), (9, 776667), (27, 258889), (37, 188919), (111, 62973), (333, 20991), (999, 6997)]