66722889

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{16487}}^1$

素因数の和:16580

約数の個数: 16

約数和(自身を含む): 94970880

約数和(自身を除く): 28247991

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 16487, 49461, 313253, 939759, 1170577, 3511731, 22240963, 66722889]

約数ペア:

[(1, 66722889), (3, 22240963), (19, 3511731), (57, 1170577), (71, 939759), (213, 313253), (1349, 49461), (4047, 16487)]