788391999

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2153}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 1250009280

約数和(自身を除く): 461617281

約数列:

[1, 3, 9, 23, 29, 61, 69, 87, 183, 207, 261, 549, 667, 1403, 1769, 2001, 2153, 4209, 5307, 6003, 6459, 12627, 15921, 19377, 40687, 49519, 62437, 122061, 131333, 148557, 187311, 366183, 393999, 445671, 561933, 1181997, 1436051, 3020659, 3808657, 4308153, 9061977, 11425971, 12924459, 27185931, 34277913, 87599111, 262797333, 788391999]

約数ペア:

[(1, 788391999), (3, 262797333), (9, 87599111), (23, 34277913), (29, 27185931), (61, 12924459), (69, 11425971), (87, 9061977), (183, 4308153), (207, 3808657), (261, 3020659), (549, 1436051), (667, 1181997), (1403, 561933), (1769, 445671), (2001, 393999), (2153, 366183), (4209, 187311), (5307, 148557), (6003, 131333), (6459, 122061), (12627, 62437), (15921, 49519), (19377, 40687)]