209866986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1665611}}^1$

素因数の和:1665626

約数の個数: 24

約数和(自身を含む): 519670944

約数和(自身を除く): 309803958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1665611, 3331222, 4996833, 9993666, 11659277, 14990499, 23318554, 29980998, 34977831, 69955662, 104933493, 209866986]

約数ペア:

[(1, 209866986), (2, 104933493), (3, 69955662), (6, 34977831), (7, 29980998), (9, 23318554), (14, 14990499), (18, 11659277), (21, 9993666), (42, 4996833), (63, 3331222), (126, 1665611)]