2189889

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 3709440

約数和(自身を除く): 1519551

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 367, 459, 663, 1101, 1989, 3303, 4771, 5967, 6239, 9909, 14313, 18717, 42939, 56151, 81107, 128817, 168453, 243321, 729963, 2189889]

約数ペア:

[(1, 2189889), (3, 729963), (9, 243321), (13, 168453), (17, 128817), (27, 81107), (39, 56151), (51, 42939), (117, 18717), (153, 14313), (221, 9909), (351, 6239), (367, 5967), (459, 4771), (663, 3303), (1101, 1989)]