2758970529

素因数分解:

$3^2\times 7^2\times {\mathrm{6256169}}^1$

素因数の和:6256189

約数の個数: 18

約数和(自身を含む): 4635821970

約数和(自身を除く): 1876851441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6256169, 18768507, 43793183, 56305521, 131379549, 306552281, 394138647, 919656843, 2758970529]

約数ペア:

[(1, 2758970529), (3, 919656843), (7, 394138647), (9, 306552281), (21, 131379549), (49, 56305521), (63, 43793183), (147, 18768507), (441, 6256169)]