331570239

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2693}}^1$

素因数の和:2768

約数の個数: 64

約数和(自身を含む): 608283648

約数和(自身を除く): 276713409

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 41, 77, 91, 123, 143, 231, 273, 287, 429, 451, 533, 861, 1001, 1353, 1599, 2693, 3003, 3157, 3731, 5863, 8079, 9471, 11193, 17589, 18851, 29623, 35009, 41041, 56553, 88869, 105027, 110413, 123123, 207361, 245063, 331239, 385099, 622083, 735189, 772891, 1155297, 1214543, 1435369, 2318673, 2695693, 3643629, 4306107, 8087079, 8501801, 10047583, 15789059, 25505403, 30142749, 47367177, 110523413, 331570239]

約数ペア:

[(1, 331570239), (3, 110523413), (7, 47367177), (11, 30142749), (13, 25505403), (21, 15789059), (33, 10047583), (39, 8501801), (41, 8087079), (77, 4306107), (91, 3643629), (123, 2695693), (143, 2318673), (231, 1435369), (273, 1214543), (287, 1155297), (429, 772891), (451, 735189), (533, 622083), (861, 385099), (1001, 331239), (1353, 245063), (1599, 207361), (2693, 123123), (3003, 110413), (3157, 105027), (3731, 88869), (5863, 56553), (8079, 41041), (9471, 35009), (11193, 29623), (17589, 18851)]