199921155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1904011}}^1$

素因数の和:1904026

約数の個数: 16

約数和(自身を含む): 365570304

約数和(自身を除く): 165649149

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1904011, 5712033, 9520055, 13328077, 28560165, 39984231, 66640385, 199921155]

約数ペア:

[(1, 199921155), (3, 66640385), (5, 39984231), (7, 28560165), (15, 13328077), (21, 9520055), (35, 5712033), (105, 1904011)]