31492071

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{3323}}^1$

素因数の和:3354

約数の個数: 28

約数和(自身を含む): 50863848

約数和(自身を除く): 19371777

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 3323, 9477, 9969, 29907, 43199, 89721, 129597, 269163, 388791, 807489, 1166373, 2422467, 3499119, 10497357, 31492071]

約数ペア:

[(1, 31492071), (3, 10497357), (9, 3499119), (13, 2422467), (27, 1166373), (39, 807489), (81, 388791), (117, 269163), (243, 129597), (351, 89721), (729, 43199), (1053, 29907), (3159, 9969), (3323, 9477)]