2787718227

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{7823}}^1$

素因数の和:8143

約数の個数: 32

約数和(自身を含む): 4326359040

約数和(自身を除く): 1538640813

約数列:

[1, 3, 7, 21, 71, 213, 239, 497, 717, 1491, 1673, 5019, 7823, 16969, 23469, 50907, 54761, 118783, 164283, 356349, 555433, 1666299, 1869697, 3888031, 5609091, 11664093, 13087879, 39263637, 132748487, 398245461, 929239409, 2787718227]

約数ペア:

[(1, 2787718227), (3, 929239409), (7, 398245461), (21, 132748487), (71, 39263637), (213, 13087879), (239, 11664093), (497, 5609091), (717, 3888031), (1491, 1869697), (1673, 1666299), (5019, 555433), (7823, 356349), (16969, 164283), (23469, 118783), (50907, 54761)]