7142661

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:930

約数の個数: 20

約数和(自身を含む): 10781100

約数和(自身を除く): 3638439

約数列:

[1, 3, 9, 27, 81, 109, 327, 809, 981, 2427, 2943, 7281, 8829, 21843, 65529, 88181, 264543, 793629, 2380887, 7142661]

約数ペア:

[(1, 7142661), (3, 2380887), (9, 793629), (27, 264543), (81, 88181), (109, 65529), (327, 21843), (809, 8829), (981, 7281), (2427, 2943)]