6447987

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7873}}^1$

素因数の和:7899

約数の個数: 24

約数和(自身を含む): 11464544

約数和(自身を除く): 5016557

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 7873, 23619, 55111, 70857, 102349, 165333, 307047, 495999, 716443, 921141, 2149329, 6447987]

約数ペア:

[(1, 6447987), (3, 2149329), (7, 921141), (9, 716443), (13, 495999), (21, 307047), (39, 165333), (63, 102349), (91, 70857), (117, 55111), (273, 23619), (819, 7873)]