209857791

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{489179}}^1$

素因数の和:489206

約数の個数: 16

約数和(自身を含む): 328728960

約数和(自身を除く): 118871169

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 489179, 1467537, 5380969, 6359327, 16142907, 19077981, 69952597, 209857791]

約数ペア:

[(1, 209857791), (3, 69952597), (11, 19077981), (13, 16142907), (33, 6359327), (39, 5380969), (143, 1467537), (429, 489179)]