28223979

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{3851}}^1$

素因数の和:4210

約数の個数: 16

約数和(自身を含む): 43142400

約数和(自身を除く): 14918421

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 3851, 7329, 11553, 26957, 80871, 1343999, 4031997, 9407993, 28223979]

約数ペア:

[(1, 28223979), (3, 9407993), (7, 4031997), (21, 1343999), (349, 80871), (1047, 26957), (2443, 11553), (3851, 7329)]