28679895

素因数分解:

$3^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{947}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 49838256

約数和(自身を除く): 21158361

約数列:

[1, 3, 5, 9, 15, 45, 673, 947, 2019, 2841, 3365, 4735, 6057, 8523, 10095, 14205, 30285, 42615, 637331, 1911993, 3186655, 5735979, 9559965, 28679895]

約数ペア:

[(1, 28679895), (3, 9559965), (5, 5735979), (9, 3186655), (15, 1911993), (45, 637331), (673, 42615), (947, 30285), (2019, 14205), (2841, 10095), (3365, 8523), (4735, 6057)]