86666979

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2095

約数の個数: 32

約数和(自身を含む): 138428416

約数和(自身を除く): 51761437

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 469, 651, 1407, 1987, 2077, 5961, 6231, 13909, 14539, 41727, 43617, 61597, 133129, 184791, 399387, 431179, 931903, 1293537, 2795709, 4126999, 12380997, 28888993, 86666979]

約数ペア:

[(1, 86666979), (3, 28888993), (7, 12380997), (21, 4126999), (31, 2795709), (67, 1293537), (93, 931903), (201, 431179), (217, 399387), (469, 184791), (651, 133129), (1407, 61597), (1987, 43617), (2077, 41727), (5961, 14539), (6231, 13909)]