28268667

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9547}}^1$

素因数の和:9607

約数の個数: 24

約数和(自身を含む): 47663616

約数和(自身を除く): 19394949

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 9547, 28641, 66829, 85923, 200487, 448709, 601461, 1346127, 3140963, 4038381, 9422889, 28268667]

約数ペア:

[(1, 28268667), (3, 9422889), (7, 4038381), (9, 3140963), (21, 1346127), (47, 601461), (63, 448709), (141, 200487), (329, 85923), (423, 66829), (987, 28641), (2961, 9547)]