19515693771

素因数分解:

$3^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2521}}^1$

素因数の和:2624

約数の個数: 112

約数和(自身を含む): 35195579328

約数和(自身を除く): 15679885557

約数列:

[1, 3, 7, 9, 21, 27, 37, 41, 63, 81, 111, 123, 189, 243, 259, 287, 333, 369, 567, 729, 777, 861, 999, 1107, 1517, 1701, 2331, 2521, 2583, 2997, 3321, 4551, 5103, 6993, 7563, 7749, 8991, 9963, 10619, 13653, 17647, 20979, 22689, 23247, 26973, 29889, 31857, 40959, 52941, 62937, 68067, 69741, 93277, 95571, 103361, 122877, 158823, 188811, 204201, 209223, 279831, 286713, 310083, 368631, 476469, 612603, 652939, 723527, 839493, 860139, 930249, 1105893, 1429407, 1837809, 1958817, 2170581, 2518479, 2580417, 2790747, 3824357, 4288221, 5876451, 6511743, 7555437, 7741251, 8372241, 11473071, 12864663, 17629353, 19535229, 22666311, 25116723, 26770499, 34419213, 52888059, 58605687, 67998933, 75350169, 80311497, 103257639, 158664177, 175817061, 240934491, 309772917, 475992531, 527451183, 722803473, 929318751, 2168410419, 2787956253, 6505231257, 19515693771]

約数ペア:

[(1, 19515693771), (3, 6505231257), (7, 2787956253), (9, 2168410419), (21, 929318751), (27, 722803473), (37, 527451183), (41, 475992531), (63, 309772917), (81, 240934491), (111, 175817061), (123, 158664177), (189, 103257639), (243, 80311497), (259, 75350169), (287, 67998933), (333, 58605687), (369, 52888059), (567, 34419213), (729, 26770499), (777, 25116723), (861, 22666311), (999, 19535229), (1107, 17629353), (1517, 12864663), (1701, 11473071), (2331, 8372241), (2521, 7741251), (2583, 7555437), (2997, 6511743), (3321, 5876451), (4551, 4288221), (5103, 3824357), (6993, 2790747), (7563, 2580417), (7749, 2518479), (8991, 2170581), (9963, 1958817), (10619, 1837809), (13653, 1429407), (17647, 1105893), (20979, 930249), (22689, 860139), (23247, 839493), (26973, 723527), (29889, 652939), (31857, 612603), (40959, 476469), (52941, 368631), (62937, 310083), (68067, 286713), (69741, 279831), (93277, 209223), (95571, 204201), (103361, 188811), (122877, 158823)]