31776381

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:517

約数の個数: 56

約数和(自身を含む): 58759680

約数和(自身を除く): 26983299

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 479, 567, 729, 819, 1053, 1437, 1701, 2457, 3159, 3353, 4311, 5103, 6227, 7371, 9477, 10059, 12933, 18681, 22113, 30177, 38799, 43589, 56043, 66339, 90531, 116397, 130767, 168129, 271593, 349191, 392301, 504387, 814779, 1176903, 1513161, 2444337, 3530709, 4539483, 10592127, 31776381]

約数ペア:

[(1, 31776381), (3, 10592127), (7, 4539483), (9, 3530709), (13, 2444337), (21, 1513161), (27, 1176903), (39, 814779), (63, 504387), (81, 392301), (91, 349191), (117, 271593), (189, 168129), (243, 130767), (273, 116397), (351, 90531), (479, 66339), (567, 56043), (729, 43589), (819, 38799), (1053, 30177), (1437, 22113), (1701, 18681), (2457, 12933), (3159, 10059), (3353, 9477), (4311, 7371), (5103, 6227)]