16990209

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{5881}}^1$

素因数の和:5997

約数の個数: 16

約数和(自身を含む): 25410240

約数和(自身を除く): 8420031

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 5881, 17643, 52929, 158787, 629267, 1887801, 5663403, 16990209]

約数ペア:

[(1, 16990209), (3, 5663403), (9, 1887801), (27, 629267), (107, 158787), (321, 52929), (963, 17643), (2889, 5881)]