6990207

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2621}}^1$

素因数の和:2758

約数の個数: 16

約数和(自身を含む): 10739712

約数和(自身を除く): 3749505

約数列:

[1, 3, 7, 21, 127, 381, 889, 2621, 2667, 7863, 18347, 55041, 332867, 998601, 2330069, 6990207]

約数ペア:

[(1, 6990207), (3, 2330069), (7, 998601), (21, 332867), (127, 55041), (381, 18347), (889, 7863), (2621, 2667)]