81330382341

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:820

約数の個数: 128

約数和(自身を含む): 138559680000

約数和(自身を除く): 57229297659

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 157, 171, 173, 247, 351, 449, 471, 513, 519, 741, 1347, 1413, 1557, 2041, 2223, 2249, 2983, 3287, 4041, 4239, 4671, 5837, 6123, 6669, 6747, 8531, 8949, 9861, 12123, 17511, 18369, 20241, 25593, 26847, 27161, 29583, 38779, 42731, 52533, 55107, 60723, 70493, 76779, 77677, 80541, 81483, 88749, 110903, 116337, 128193, 157599, 211479, 230337, 233031, 244449, 332709, 349011, 353093, 384579, 516059, 634437, 699093, 733347, 916409, 998127, 1009801, 1047033, 1059279, 1153737, 1339367, 1475863, 1548177, 1903311, 2097279, 2749227, 2994381, 3029403, 3177837, 4018101, 4427589, 4644531, 6708767, 8247681, 9088209, 9533511, 12054303, 12195289, 13282767, 13933593, 17411771, 19186219, 20126301, 24743043, 27264627, 36162909, 36585867, 39848301, 52235313, 57558657, 60378903, 109757601, 156705939, 158538757, 172675971, 181136709, 231710491, 329272803, 470117817, 475616271, 518027913, 695131473, 1426848813, 2085394419, 3012236383, 4280546439, 6256183257, 9036709149, 27110127447, 81330382341]

約数ペア:

[(1, 81330382341), (3, 27110127447), (9, 9036709149), (13, 6256183257), (19, 4280546439), (27, 3012236383), (39, 2085394419), (57, 1426848813), (117, 695131473), (157, 518027913), (171, 475616271), (173, 470117817), (247, 329272803), (351, 231710491), (449, 181136709), (471, 172675971), (513, 158538757), (519, 156705939), (741, 109757601), (1347, 60378903), (1413, 57558657), (1557, 52235313), (2041, 39848301), (2223, 36585867), (2249, 36162909), (2983, 27264627), (3287, 24743043), (4041, 20126301), (4239, 19186219), (4671, 17411771), (5837, 13933593), (6123, 13282767), (6669, 12195289), (6747, 12054303), (8531, 9533511), (8949, 9088209), (9861, 8247681), (12123, 6708767), (17511, 4644531), (18369, 4427589), (20241, 4018101), (25593, 3177837), (26847, 3029403), (27161, 2994381), (29583, 2749227), (38779, 2097279), (42731, 1903311), (52533, 1548177), (55107, 1475863), (60723, 1339367), (70493, 1153737), (76779, 1059279), (77677, 1047033), (80541, 1009801), (81483, 998127), (88749, 916409), (110903, 733347), (116337, 699093), (128193, 634437), (157599, 516059), (211479, 384579), (230337, 353093), (233031, 349011), (244449, 332709)]