172623717

素因数分解:

$3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 328407552

約数和(自身を除く): 155783835

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 49, 61, 63, 69, 81, 93, 147, 161, 183, 189, 207, 217, 279, 427, 441, 483, 549, 567, 621, 651, 713, 837, 1127, 1281, 1323, 1403, 1449, 1519, 1647, 1863, 1891, 1953, 2139, 2511, 2989, 3381, 3843, 3969, 4209, 4347, 4557, 4941, 4991, 5673, 5859, 6417, 8967, 9821, 10143, 11529, 12627, 13041, 13237, 13671, 14973, 17019, 17577, 19251, 26901, 29463, 30429, 34587, 34937, 37881, 39711, 41013, 43493, 44919, 51057, 57753, 68747, 80703, 88389, 91287, 92659, 104811, 113643, 119133, 123039, 130479, 134757, 153171, 206241, 242109, 265167, 277977, 304451, 314433, 357399, 391437, 404271, 618723, 795501, 833931, 913353, 943299, 1072197, 1174311, 1856169, 2131157, 2501793, 2740059, 2829897, 3522933, 5568507, 6393471, 7505379, 8220177, 19180413, 24660531, 57541239, 172623717]

約数ペア:

[(1, 172623717), (3, 57541239), (7, 24660531), (9, 19180413), (21, 8220177), (23, 7505379), (27, 6393471), (31, 5568507), (49, 3522933), (61, 2829897), (63, 2740059), (69, 2501793), (81, 2131157), (93, 1856169), (147, 1174311), (161, 1072197), (183, 943299), (189, 913353), (207, 833931), (217, 795501), (279, 618723), (427, 404271), (441, 391437), (483, 357399), (549, 314433), (567, 304451), (621, 277977), (651, 265167), (713, 242109), (837, 206241), (1127, 153171), (1281, 134757), (1323, 130479), (1403, 123039), (1449, 119133), (1519, 113643), (1647, 104811), (1863, 92659), (1891, 91287), (1953, 88389), (2139, 80703), (2511, 68747), (2989, 57753), (3381, 51057), (3843, 44919), (3969, 43493), (4209, 41013), (4347, 39711), (4557, 37881), (4941, 34937), (4991, 34587), (5673, 30429), (5859, 29463), (6417, 26901), (8967, 19251), (9821, 17577), (10143, 17019), (11529, 14973), (12627, 13671), (13041, 13237)]