28083411

素因数分解:

$3^2\times {\mathrm{71}}^2\times {\mathrm{619}}^1$

素因数の和:767

約数の個数: 18

約数和(自身を含む): 41210780

約数和(自身を除く): 13127369

約数列:

[1, 3, 9, 71, 213, 619, 639, 1857, 5041, 5571, 15123, 43949, 45369, 131847, 395541, 3120379, 9361137, 28083411]

約数ペア:

[(1, 28083411), (3, 9361137), (9, 3120379), (71, 395541), (213, 131847), (619, 45369), (639, 43949), (1857, 15123), (5041, 5571)]