11947581

素因数分解:

$3^9\times {\mathrm{607}}^1$

素因数の和:634

約数の個数: 20

約数和(自身を含む): 17950592

約数和(自身を除く): 6003011

約数列:

[1, 3, 9, 27, 81, 243, 607, 729, 1821, 2187, 5463, 6561, 16389, 19683, 49167, 147501, 442503, 1327509, 3982527, 11947581]

約数ペア:

[(1, 11947581), (3, 3982527), (9, 1327509), (27, 442503), (81, 147501), (243, 49167), (607, 19683), (729, 16389), (1821, 6561), (2187, 5463)]