199254555

素因数分解:

$3^2\times 5^1\times {\mathrm{4427879}}^1$

素因数の和:4427890

約数の個数: 12

約数和(自身を含む): 345374640

約数和(自身を除く): 146120085

約数列:

[1, 3, 5, 9, 15, 45, 4427879, 13283637, 22139395, 39850911, 66418185, 199254555]

約数ペア:

[(1, 199254555), (3, 66418185), (5, 39850911), (9, 22139395), (15, 13283637), (45, 4427879)]