28386939

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{8293}}^1$

素因数の和:8466

約数の個数: 16

約数和(自身を含む): 43526912

約数和(自身を除く): 15139973

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 8293, 24879, 58051, 174153, 1351759, 4055277, 9462313, 28386939]

約数ペア:

[(1, 28386939), (3, 9462313), (7, 4055277), (21, 1351759), (163, 174153), (489, 58051), (1141, 24879), (3423, 8293)]