31144743

素因数分解:

$3^4\times 7^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 80

約数和(自身を含む): 58080000

約数和(自身を除く): 26935257

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 59, 63, 81, 133, 147, 171, 177, 189, 343, 399, 413, 441, 513, 531, 567, 931, 1029, 1121, 1197, 1239, 1323, 1539, 1593, 2793, 2891, 3087, 3363, 3591, 3717, 3969, 4779, 6517, 7847, 8379, 8673, 9261, 10089, 10773, 11151, 19551, 20237, 23541, 25137, 26019, 27783, 30267, 33453, 54929, 58653, 60711, 70623, 75411, 78057, 90801, 164787, 175959, 182133, 211869, 234171, 384503, 494361, 527877, 546399, 635607, 1153509, 1483083, 1639197, 3460527, 4449249, 10381581, 31144743]

約数ペア:

[(1, 31144743), (3, 10381581), (7, 4449249), (9, 3460527), (19, 1639197), (21, 1483083), (27, 1153509), (49, 635607), (57, 546399), (59, 527877), (63, 494361), (81, 384503), (133, 234171), (147, 211869), (171, 182133), (177, 175959), (189, 164787), (343, 90801), (399, 78057), (413, 75411), (441, 70623), (513, 60711), (531, 58653), (567, 54929), (931, 33453), (1029, 30267), (1121, 27783), (1197, 26019), (1239, 25137), (1323, 23541), (1539, 20237), (1593, 19551), (2793, 11151), (2891, 10773), (3087, 10089), (3363, 9261), (3591, 8673), (3717, 8379), (3969, 7847), (4779, 6517)]