16642899

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2903}}^1$

素因数の和:2936

約数の個数: 36

約数和(自身を含む): 30126096

約数和(自身を除く): 13483197

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 2903, 5733, 8709, 20321, 26127, 37739, 60963, 113217, 142247, 182889, 264173, 339651, 426741, 792519, 1280223, 1849211, 2377557, 5547633, 16642899]

約数ペア:

[(1, 16642899), (3, 5547633), (7, 2377557), (9, 1849211), (13, 1280223), (21, 792519), (39, 426741), (49, 339651), (63, 264173), (91, 182889), (117, 142247), (147, 113217), (273, 60963), (441, 37739), (637, 26127), (819, 20321), (1911, 8709), (2903, 5733)]