31446459

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 20445381

約数列:

[1, 3, 9, 11, 33, 43, 83, 89, 99, 129, 249, 267, 387, 473, 747, 801, 913, 979, 1419, 2739, 2937, 3569, 3827, 4257, 7387, 8217, 8811, 10707, 11481, 22161, 32121, 34443, 39259, 42097, 66483, 81257, 117777, 126291, 243771, 317641, 353331, 378873, 731313, 952923, 2858769, 3494051, 10482153, 31446459]

約数ペア:

[(1, 31446459), (3, 10482153), (9, 3494051), (11, 2858769), (33, 952923), (43, 731313), (83, 378873), (89, 353331), (99, 317641), (129, 243771), (249, 126291), (267, 117777), (387, 81257), (473, 66483), (747, 42097), (801, 39259), (913, 34443), (979, 32121), (1419, 22161), (2739, 11481), (2937, 10707), (3569, 8811), (3827, 8217), (4257, 7387)]