16789995

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8677}}^1$

素因数の和:8731

約数の個数: 24

約数和(自身を含む): 29782896

約数和(自身を除く): 12992901

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 8677, 26031, 43385, 78093, 130155, 373111, 390465, 1119333, 1865555, 3357999, 5596665, 16789995]

約数ペア:

[(1, 16789995), (3, 5596665), (5, 3357999), (9, 1865555), (15, 1119333), (43, 390465), (45, 373111), (129, 130155), (215, 78093), (387, 43385), (645, 26031), (1935, 8677)]