28463841

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12211}}^1$

素因数の和:12261

約数の個数: 24

約数和(自身を含む): 48261824

約数和(自身を除く): 19797983

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 12211, 36633, 85477, 109899, 256431, 451807, 769293, 1355421, 3162649, 4066263, 9487947, 28463841]

約数ペア:

[(1, 28463841), (3, 9487947), (7, 4066263), (9, 3162649), (21, 1355421), (37, 769293), (63, 451807), (111, 256431), (259, 109899), (333, 85477), (777, 36633), (2331, 12211)]