66954139

素因数分解:

$7^2\times {\mathrm{43}}^2\times {\mathrm{739}}^1$

素因数の和:839

約数の個数: 18

約数和(自身を含む): 79846740

約数和(自身を除く): 12892601

約数列:

[1, 7, 43, 49, 301, 739, 1849, 2107, 5173, 12943, 31777, 36211, 90601, 222439, 1366411, 1557073, 9564877, 66954139]

約数ペア:

[(1, 66954139), (7, 9564877), (43, 1557073), (49, 1366411), (301, 222439), (739, 90601), (1849, 36211), (2107, 31777), (5173, 12943)]