3139689

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{487}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 4809728

約数和(自身を除く): 1670039

約数列:

[1, 3, 7, 21, 307, 487, 921, 1461, 2149, 3409, 6447, 10227, 149509, 448527, 1046563, 3139689]

約数ペア:

[(1, 3139689), (3, 1046563), (7, 448527), (21, 149509), (307, 10227), (487, 6447), (921, 3409), (1461, 2149)]