127968057

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 224932032

約数和(自身を除く): 96963975

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 67, 71, 147, 183, 201, 213, 427, 441, 469, 497, 549, 603, 639, 1281, 1407, 1491, 2989, 3283, 3479, 3843, 4087, 4221, 4331, 4473, 4757, 8967, 9849, 10437, 12261, 12993, 14271, 26901, 28609, 29547, 30317, 31311, 33299, 36783, 38979, 42813, 85827, 90951, 99897, 200263, 212219, 233093, 257481, 272853, 290177, 299691, 600789, 636657, 699279, 870531, 1802367, 1909971, 2031239, 2097837, 2611593, 6093717, 14218673, 18281151, 42656019, 127968057]

約数ペア:

[(1, 127968057), (3, 42656019), (7, 18281151), (9, 14218673), (21, 6093717), (49, 2611593), (61, 2097837), (63, 2031239), (67, 1909971), (71, 1802367), (147, 870531), (183, 699279), (201, 636657), (213, 600789), (427, 299691), (441, 290177), (469, 272853), (497, 257481), (549, 233093), (603, 212219), (639, 200263), (1281, 99897), (1407, 90951), (1491, 85827), (2989, 42813), (3283, 38979), (3479, 36783), (3843, 33299), (4087, 31311), (4221, 30317), (4331, 29547), (4473, 28609), (4757, 26901), (8967, 14271), (9849, 12993), (10437, 12261)]