30989217

素因数分解:

$3^1\times 7^2\times {\mathrm{210811}}^1$

素因数の和:210828

約数の個数: 12

約数和(自身を含む): 48065136

約数和(自身を除く): 17075919

約数列:

[1, 3, 7, 21, 49, 147, 210811, 632433, 1475677, 4427031, 10329739, 30989217]

約数ペア:

[(1, 30989217), (3, 10329739), (7, 4427031), (21, 1475677), (49, 632433), (147, 210811)]