16388001

素因数分解:

$3^4\times 7^2\times {\mathrm{4129}}^1$

素因数の和:4155

約数の個数: 30

約数和(自身を含む): 28484610

約数和(自身を除く): 12096609

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4129, 12387, 28903, 37161, 86709, 111483, 202321, 260127, 334449, 606963, 780381, 1820889, 2341143, 5462667, 16388001]

約数ペア:

[(1, 16388001), (3, 5462667), (7, 2341143), (9, 1820889), (21, 780381), (27, 606963), (49, 334449), (63, 260127), (81, 202321), (147, 111483), (189, 86709), (441, 37161), (567, 28903), (1323, 12387), (3969, 4129)]