16211559

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 27241984

約数和(自身を除く): 11030425

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1381, 1677, 3913, 4143, 9667, 11739, 17953, 29001, 53859, 59383, 125671, 178149, 377013, 415681, 771979, 1247043, 2315937, 5403853, 16211559]

約数ペア:

[(1, 16211559), (3, 5403853), (7, 2315937), (13, 1247043), (21, 771979), (39, 415681), (43, 377013), (91, 178149), (129, 125671), (273, 59383), (301, 53859), (559, 29001), (903, 17953), (1381, 11739), (1677, 9667), (3913, 4143)]