16121889

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 27498240

約数和(自身を除く): 11376351

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 433, 591, 1299, 1379, 1773, 3031, 3897, 4137, 5319, 9093, 11691, 12411, 27279, 37233, 81837, 85301, 255903, 597107, 767709, 1791321, 2303127, 5373963, 16121889]

約数ペア:

[(1, 16121889), (3, 5373963), (7, 2303127), (9, 1791321), (21, 767709), (27, 597107), (63, 255903), (189, 85301), (197, 81837), (433, 37233), (591, 27279), (1299, 12411), (1379, 11691), (1773, 9093), (3031, 5319), (3897, 4137)]