16697889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3319}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 26586560

約数和(自身を除く): 9888671

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 3319, 5031, 9957, 29871, 43147, 129441, 142717, 388323, 428151, 1284453, 1855321, 5565963, 16697889]

約数ペア:

[(1, 16697889), (3, 5565963), (9, 1855321), (13, 1284453), (39, 428151), (43, 388323), (117, 142717), (129, 129441), (387, 43147), (559, 29871), (1677, 9957), (3319, 5031)]