16680451851

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{757}}^1$

素因数の和:970

約数の個数: 128

約数和(自身を含む): 30527631360

約数和(自身を除く): 13847179509

約数列:

[1, 3, 7, 9, 21, 23, 27, 37, 63, 69, 111, 137, 161, 189, 207, 259, 333, 411, 483, 621, 757, 777, 851, 959, 999, 1233, 1449, 2271, 2331, 2553, 2877, 3151, 3699, 4347, 5069, 5299, 5957, 6813, 6993, 7659, 8631, 9453, 15207, 15897, 17411, 17871, 20439, 22057, 22977, 25893, 28009, 28359, 35483, 45621, 47691, 52233, 53613, 66171, 84027, 85077, 103709, 106449, 116587, 121877, 136863, 143073, 156699, 160839, 196063, 198513, 252081, 311127, 319347, 349761, 365631, 470097, 588189, 595539, 644207, 725963, 756243, 816109, 933381, 958041, 1049283, 1096893, 1764567, 1932621, 2177889, 2385307, 2448327, 2800143, 3147849, 3290679, 3837233, 4509449, 5293701, 5797863, 6533667, 7155921, 7344981, 11511699, 13528347, 16697149, 17393589, 19601001, 21467763, 22034943, 26860631, 34535097, 40585041, 50091447, 64403289, 80581893, 88256359, 103605291, 121755123, 150274341, 241745679, 264769077, 450823023, 617794513, 725237037, 794307231, 1853383539, 2382921693, 5560150617, 16680451851]

約数ペア:

[(1, 16680451851), (3, 5560150617), (7, 2382921693), (9, 1853383539), (21, 794307231), (23, 725237037), (27, 617794513), (37, 450823023), (63, 264769077), (69, 241745679), (111, 150274341), (137, 121755123), (161, 103605291), (189, 88256359), (207, 80581893), (259, 64403289), (333, 50091447), (411, 40585041), (483, 34535097), (621, 26860631), (757, 22034943), (777, 21467763), (851, 19601001), (959, 17393589), (999, 16697149), (1233, 13528347), (1449, 11511699), (2271, 7344981), (2331, 7155921), (2553, 6533667), (2877, 5797863), (3151, 5293701), (3699, 4509449), (4347, 3837233), (5069, 3290679), (5299, 3147849), (5957, 2800143), (6813, 2448327), (6993, 2385307), (7659, 2177889), (8631, 1932621), (9453, 1764567), (15207, 1096893), (15897, 1049283), (17411, 958041), (17871, 933381), (20439, 816109), (22057, 756243), (22977, 725963), (25893, 644207), (28009, 595539), (28359, 588189), (35483, 470097), (45621, 365631), (47691, 349761), (52233, 319347), (53613, 311127), (66171, 252081), (84027, 198513), (85077, 196063), (103709, 160839), (106449, 156699), (116587, 143073), (121877, 136863)]