66905181

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{9743}}^1$

素因数の和:9865

約数の個数: 24

約数和(自身を含む): 111471360

約数和(自身を除く): 44566179

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 9743, 29229, 68201, 87687, 204603, 613809, 1061987, 3185961, 7433909, 9557883, 22301727, 66905181]

約数ペア:

[(1, 66905181), (3, 22301727), (7, 9557883), (9, 7433909), (21, 3185961), (63, 1061987), (109, 613809), (327, 204603), (763, 87687), (981, 68201), (2289, 29229), (6867, 9743)]