18908073

素因数分解:

$3^6\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:756

約数の個数: 28

約数和(自身を含む): 29156868

約数和(自身を除く): 10248795

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 701, 729, 999, 2103, 2997, 6309, 8991, 18927, 25937, 26973, 56781, 77811, 170343, 233433, 511029, 700299, 2100897, 6302691, 18908073]

約数ペア:

[(1, 18908073), (3, 6302691), (9, 2100897), (27, 700299), (37, 511029), (81, 233433), (111, 170343), (243, 77811), (333, 56781), (701, 26973), (729, 25937), (999, 18927), (2103, 8991), (2997, 6309)]