47891007

素因数分解:

$3^4\times {\mathrm{631}}^1\times {\mathrm{937}}^1$

素因数の和:1580

約数の個数: 20

約数和(自身を含む): 71730736

約数和(自身を除く): 23839729

約数列:

[1, 3, 9, 27, 81, 631, 937, 1893, 2811, 5679, 8433, 17037, 25299, 51111, 75897, 591247, 1773741, 5321223, 15963669, 47891007]

約数ペア:

[(1, 47891007), (3, 15963669), (9, 5321223), (27, 1773741), (81, 591247), (631, 75897), (937, 51111), (1893, 25299), (2811, 17037), (5679, 8433)]