7885143

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2663}}^1$

素因数の和:2723

約数の個数: 24

約数和(自身を含む): 13298688

約数和(自身を除く): 5413545

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2663, 2961, 7989, 18641, 23967, 55923, 125161, 167769, 375483, 876127, 1126449, 2628381, 7885143]

約数ペア:

[(1, 7885143), (3, 2628381), (7, 1126449), (9, 876127), (21, 375483), (47, 167769), (63, 125161), (141, 55923), (329, 23967), (423, 18641), (987, 7989), (2663, 2961)]