2783204781

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1\times {\mathrm{3109}}^1$

素因数の和:4073

約数の個数: 32

約数和(自身を含む): 4337479680

約数和(自身を除く): 1554274899

約数列:

[1, 3, 7, 21, 47, 141, 329, 907, 987, 2721, 3109, 6349, 9327, 19047, 21763, 42629, 65289, 127887, 146123, 298403, 438369, 895209, 1022861, 2819863, 3068583, 8459589, 19739041, 59217123, 132533561, 397600683, 927734927, 2783204781]

約数ペア:

[(1, 2783204781), (3, 927734927), (7, 397600683), (21, 132533561), (47, 59217123), (141, 19739041), (329, 8459589), (907, 3068583), (987, 2819863), (2721, 1022861), (3109, 895209), (6349, 438369), (9327, 298403), (19047, 146123), (21763, 127887), (42629, 65289)]