16256709

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 29158272

約数和(自身を除く): 12901563

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 153, 301, 353, 357, 387, 731, 903, 1059, 1071, 2193, 2471, 2709, 3177, 5117, 6001, 6579, 7413, 15179, 15351, 18003, 22239, 42007, 45537, 46053, 54009, 106253, 126021, 136611, 258043, 318759, 378063, 774129, 956277, 1806301, 2322387, 5418903, 16256709]

約数ペア:

[(1, 16256709), (3, 5418903), (7, 2322387), (9, 1806301), (17, 956277), (21, 774129), (43, 378063), (51, 318759), (63, 258043), (119, 136611), (129, 126021), (153, 106253), (301, 54009), (353, 46053), (357, 45537), (387, 42007), (731, 22239), (903, 18003), (1059, 15351), (1071, 15179), (2193, 7413), (2471, 6579), (2709, 6001), (3177, 5117)]