127671999

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{66809}}^1$

素因数の和:66839

約数の個数: 24

約数和(自身を含む): 213257520

約数和(自身を除く): 85585521

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 66809, 200427, 467663, 868517, 1402989, 2605551, 3273641, 6079619, 9820923, 18238857, 42557333, 127671999]

約数ペア:

[(1, 127671999), (3, 42557333), (7, 18238857), (13, 9820923), (21, 6079619), (39, 3273641), (49, 2605551), (91, 1402989), (147, 868517), (273, 467663), (637, 200427), (1911, 66809)]