16038729

素因数分解:

$3^6\times 7^2\times {\mathrm{449}}^1$

素因数の和:481

約数の個数: 42

約数和(自身を含む): 28035450

約数和(自身を除く): 11996721

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 449, 567, 729, 1323, 1347, 1701, 3143, 3969, 4041, 5103, 9429, 11907, 12123, 22001, 28287, 35721, 36369, 66003, 84861, 109107, 198009, 254583, 327321, 594027, 763749, 1782081, 2291247, 5346243, 16038729]

約数ペア:

[(1, 16038729), (3, 5346243), (7, 2291247), (9, 1782081), (21, 763749), (27, 594027), (49, 327321), (63, 254583), (81, 198009), (147, 109107), (189, 84861), (243, 66003), (441, 36369), (449, 35721), (567, 28287), (729, 22001), (1323, 12123), (1347, 11907), (1701, 9429), (3143, 5103), (3969, 4041)]