65787291

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 107078400

約数和(自身を除く): 41291109

約数列:

[1, 3, 9, 19, 23, 43, 57, 69, 129, 171, 207, 387, 389, 437, 817, 989, 1167, 1311, 2451, 2967, 3501, 3933, 7353, 7391, 8901, 8947, 16727, 18791, 22173, 26841, 50181, 56373, 66519, 80523, 150543, 169119, 169993, 317813, 384721, 509979, 953439, 1154163, 1529937, 2860317, 3462489, 7309699, 21929097, 65787291]

約数ペア:

[(1, 65787291), (3, 21929097), (9, 7309699), (19, 3462489), (23, 2860317), (43, 1529937), (57, 1154163), (69, 953439), (129, 509979), (171, 384721), (207, 317813), (387, 169993), (389, 169119), (437, 150543), (817, 80523), (989, 66519), (1167, 56373), (1311, 50181), (2451, 26841), (2967, 22173), (3501, 18791), (3933, 16727), (7353, 8947), (7391, 8901)]