28074357

素因数分解:

$3^4\times {\mathrm{571}}^1\times {\mathrm{607}}^1$

素因数の和:1190

約数の個数: 20

約数和(自身を含む): 42080896

約数和(自身を除く): 14006539

約数列:

[1, 3, 9, 27, 81, 571, 607, 1713, 1821, 5139, 5463, 15417, 16389, 46251, 49167, 346597, 1039791, 3119373, 9358119, 28074357]

約数ペア:

[(1, 28074357), (3, 9358119), (9, 3119373), (27, 1039791), (81, 346597), (571, 49167), (607, 46251), (1713, 16389), (1821, 15417), (5139, 5463)]