1261567377

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 2267616000

約数和(自身を除く): 1006048623

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 137, 147, 157, 171, 343, 399, 411, 441, 471, 931, 959, 1029, 1099, 1197, 1233, 1413, 2603, 2793, 2877, 2983, 3087, 3297, 6517, 6713, 7693, 7809, 8379, 8631, 8949, 9891, 18221, 19551, 20139, 20881, 21509, 23079, 23427, 26847, 46991, 53851, 54663, 58653, 60417, 62643, 64527, 69237, 127547, 140973, 146167, 150563, 161553, 163989, 187929, 193581, 382641, 408671, 422919, 438501, 451689, 484659, 892829, 1023169, 1053941, 1147923, 1226013, 1315503, 1355067, 2678487, 2860697, 3069507, 3161823, 3678039, 7377587, 8035461, 8582091, 9208521, 9485469, 20024879, 22132761, 25746273, 60074637, 66398283, 140174153, 180223911, 420522459, 1261567377]

約数ペア:

[(1, 1261567377), (3, 420522459), (7, 180223911), (9, 140174153), (19, 66398283), (21, 60074637), (49, 25746273), (57, 22132761), (63, 20024879), (133, 9485469), (137, 9208521), (147, 8582091), (157, 8035461), (171, 7377587), (343, 3678039), (399, 3161823), (411, 3069507), (441, 2860697), (471, 2678487), (931, 1355067), (959, 1315503), (1029, 1226013), (1099, 1147923), (1197, 1053941), (1233, 1023169), (1413, 892829), (2603, 484659), (2793, 451689), (2877, 438501), (2983, 422919), (3087, 408671), (3297, 382641), (6517, 193581), (6713, 187929), (7693, 163989), (7809, 161553), (8379, 150563), (8631, 146167), (8949, 140973), (9891, 127547), (18221, 69237), (19551, 64527), (20139, 62643), (20881, 60417), (21509, 58653), (23079, 54663), (23427, 53851), (26847, 46991)]