27681021

素因数分解:

$3^4\times {\mathrm{563}}^1\times {\mathrm{607}}^1$

素因数の和:1182

約数の個数: 20

約数和(自身を含む): 41492352

約数和(自身を除く): 13811331

約数列:

[1, 3, 9, 27, 81, 563, 607, 1689, 1821, 5067, 5463, 15201, 16389, 45603, 49167, 341741, 1025223, 3075669, 9227007, 27681021]

約数ペア:

[(1, 27681021), (3, 9227007), (9, 3075669), (27, 1025223), (81, 341741), (563, 49167), (607, 45603), (1689, 16389), (1821, 15201), (5067, 5463)]