28691874

素因数分解:

$2^1\times 3^3\times {\mathrm{531331}}^1$

素因数の和:531342

約数の個数: 16

約数和(自身を含む): 63759840

約数和(自身を除く): 35067966

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 531331, 1062662, 1593993, 3187986, 4781979, 9563958, 14345937, 28691874]

約数ペア:

[(1, 28691874), (2, 14345937), (3, 9563958), (6, 4781979), (9, 3187986), (18, 1593993), (27, 1062662), (54, 531331)]