199840959

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{200041}}^1$

素因数の和:200087

約数の個数: 16

約数和(自身を含む): 304063840

約数和(自身を除く): 104222881

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 200041, 600123, 1800369, 5401107, 7401517, 22204551, 66613653, 199840959]

約数ペア:

[(1, 199840959), (3, 66613653), (9, 22204551), (27, 7401517), (37, 5401107), (111, 1800369), (333, 600123), (999, 200041)]