28241391

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 40325040

約数和(自身を除く): 12083649

約数列:

[1, 3, 19, 57, 89, 267, 293, 361, 879, 1083, 1691, 5073, 5567, 16701, 26077, 32129, 78231, 96387, 105773, 317319, 495463, 1486389, 9413797, 28241391]

約数ペア:

[(1, 28241391), (3, 9413797), (19, 1486389), (57, 495463), (89, 317319), (267, 105773), (293, 96387), (361, 78231), (879, 32129), (1083, 26077), (1691, 16701), (5073, 5567)]