12678885

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2027}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 22145760

約数和(自身を除く): 9466875

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2027, 2085, 6081, 6255, 10135, 18243, 30405, 91215, 281753, 845259, 1408765, 2535777, 4226295, 12678885]

約数ペア:

[(1, 12678885), (3, 4226295), (5, 2535777), (9, 1408765), (15, 845259), (45, 281753), (139, 91215), (417, 30405), (695, 18243), (1251, 10135), (2027, 6255), (2085, 6081)]