31193019

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2693}}^1$

素因数の和:2729

約数の個数: 40

約数和(自身を含む): 54763632

約数和(自身を除く): 23570613

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 2693, 3861, 8079, 11583, 24237, 29623, 35009, 72711, 88869, 105027, 218133, 266607, 315081, 385099, 799821, 945243, 1155297, 2399463, 2835729, 3465891, 10397673, 31193019]

約数ペア:

[(1, 31193019), (3, 10397673), (9, 3465891), (11, 2835729), (13, 2399463), (27, 1155297), (33, 945243), (39, 799821), (81, 385099), (99, 315081), (117, 266607), (143, 218133), (297, 105027), (351, 88869), (429, 72711), (891, 35009), (1053, 29623), (1287, 24237), (2693, 11583), (3861, 8079)]