16553439

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2551}}^1$

素因数の和:2667

約数の個数: 24

約数和(自身を含む): 27602432

約数和(自身を除く): 11048993

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 2551, 6489, 7653, 17857, 22959, 53571, 160713, 262753, 788259, 1839271, 2364777, 5517813, 16553439]

約数ペア:

[(1, 16553439), (3, 5517813), (7, 2364777), (9, 1839271), (21, 788259), (63, 262753), (103, 160713), (309, 53571), (721, 22959), (927, 17857), (2163, 7653), (2551, 6489)]