31917567

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 48254976

約数和(自身を除く): 16337409

約数列:

[1, 3, 11, 33, 43, 83, 129, 249, 271, 473, 813, 913, 1419, 2739, 2981, 3569, 8943, 10707, 11653, 22493, 34959, 39259, 67479, 117777, 128183, 247423, 384549, 742269, 967199, 2901597, 10639189, 31917567]

約数ペア:

[(1, 31917567), (3, 10639189), (11, 2901597), (33, 967199), (43, 742269), (83, 384549), (129, 247423), (249, 128183), (271, 117777), (473, 67479), (813, 39259), (913, 34959), (1419, 22493), (2739, 11653), (2981, 10707), (3569, 8943)]