1889149689

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 128

約数和(自身を含む): 3566592000

約数和(自身を除く): 1677442311

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 57, 63, 69, 89, 133, 161, 171, 189, 207, 257, 267, 399, 437, 483, 513, 621, 623, 771, 801, 1197, 1311, 1449, 1691, 1799, 1869, 2047, 2313, 2403, 3059, 3591, 3933, 4347, 4883, 5073, 5397, 5607, 5911, 6141, 6939, 9177, 11799, 11837, 14329, 14649, 15219, 16191, 16821, 17733, 18423, 22873, 27531, 34181, 35511, 38893, 41377, 42987, 43947, 45657, 48573, 53199, 55269, 68619, 82593, 102543, 106533, 112309, 116679, 124131, 128961, 131841, 159597, 160111, 205857, 272251, 307629, 319599, 336927, 350037, 372393, 386883, 434587, 480333, 526079, 617571, 786163, 816753, 922887, 1010781, 1050111, 1117179, 1303761, 1440999, 1578237, 2358489, 2450259, 3032343, 3042109, 3682553, 3911283, 4322997, 4734711, 7075467, 7350777, 9126327, 9995501, 11047659, 11733849, 14204133, 21226401, 27378981, 29986503, 33142977, 69968507, 82136943, 89959509, 99428931, 209905521, 269878527, 629716563, 1889149689]

約数ペア:

[(1, 1889149689), (3, 629716563), (7, 269878527), (9, 209905521), (19, 99428931), (21, 89959509), (23, 82136943), (27, 69968507), (57, 33142977), (63, 29986503), (69, 27378981), (89, 21226401), (133, 14204133), (161, 11733849), (171, 11047659), (189, 9995501), (207, 9126327), (257, 7350777), (267, 7075467), (399, 4734711), (437, 4322997), (483, 3911283), (513, 3682553), (621, 3042109), (623, 3032343), (771, 2450259), (801, 2358489), (1197, 1578237), (1311, 1440999), (1449, 1303761), (1691, 1117179), (1799, 1050111), (1869, 1010781), (2047, 922887), (2313, 816753), (2403, 786163), (3059, 617571), (3591, 526079), (3933, 480333), (4347, 434587), (4883, 386883), (5073, 372393), (5397, 350037), (5607, 336927), (5911, 319599), (6141, 307629), (6939, 272251), (9177, 205857), (11799, 160111), (11837, 159597), (14329, 131841), (14649, 128961), (15219, 124131), (16191, 116679), (16821, 112309), (17733, 106533), (18423, 102543), (22873, 82593), (27531, 68619), (34181, 55269), (35511, 53199), (38893, 48573), (41377, 45657), (42987, 43947)]