16990479

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19069}}^1$

素因数の和:19092

約数の個数: 20

約数和(自身を含む): 27689640

約数和(自身を除く): 10699161

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 19069, 57207, 171621, 209759, 514863, 629277, 1544589, 1887831, 5663493, 16990479]

約数ペア:

[(1, 16990479), (3, 5663493), (9, 1887831), (11, 1544589), (27, 629277), (33, 514863), (81, 209759), (99, 171621), (297, 57207), (891, 19069)]