128393181

素因数分解:

$3^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 230053824

約数和(自身を除く): 101660643

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 81, 123, 147, 189, 243, 263, 287, 369, 441, 567, 789, 861, 1107, 1323, 1701, 1841, 2009, 2367, 2583, 3321, 3969, 5523, 6027, 7101, 7749, 9963, 10783, 11907, 12887, 16569, 18081, 21303, 23247, 32349, 38661, 49707, 54243, 63909, 69741, 75481, 97047, 115983, 149121, 162729, 226443, 291141, 347949, 447363, 488187, 528367, 679329, 873423, 1043847, 1585101, 2037987, 2620269, 3131541, 4755303, 6113961, 14265909, 18341883, 42797727, 128393181]

約数ペア:

[(1, 128393181), (3, 42797727), (7, 18341883), (9, 14265909), (21, 6113961), (27, 4755303), (41, 3131541), (49, 2620269), (63, 2037987), (81, 1585101), (123, 1043847), (147, 873423), (189, 679329), (243, 528367), (263, 488187), (287, 447363), (369, 347949), (441, 291141), (567, 226443), (789, 162729), (861, 149121), (1107, 115983), (1323, 97047), (1701, 75481), (1841, 69741), (2009, 63909), (2367, 54243), (2583, 49707), (3321, 38661), (3969, 32349), (5523, 23247), (6027, 21303), (7101, 18081), (7749, 16569), (9963, 12887), (10783, 11907)]