17728551

素因数分解:

$3^6\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:394

約数の個数: 28

約数和(自身を含む): 26992728

約数和(自身を除く): 9264177

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 293, 729, 747, 879, 2241, 2637, 6723, 7911, 20169, 23733, 24319, 60507, 71199, 72957, 213597, 218871, 656613, 1969839, 5909517, 17728551]

約数ペア:

[(1, 17728551), (3, 5909517), (9, 1969839), (27, 656613), (81, 218871), (83, 213597), (243, 72957), (249, 71199), (293, 60507), (729, 24319), (747, 23733), (879, 20169), (2241, 7911), (2637, 6723)]