81517401

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{11657}}^1$

素因数の和:11710

約数の個数: 32

約数和(自身を含む): 141761280

約数和(自身を除く): 60243879

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 11657, 34971, 81599, 104913, 244797, 314739, 431309, 734391, 1293927, 2203173, 3019163, 3881781, 9057489, 11645343, 27172467, 81517401]

約数ペア:

[(1, 81517401), (3, 27172467), (7, 11645343), (9, 9057489), (21, 3881781), (27, 3019163), (37, 2203173), (63, 1293927), (111, 734391), (189, 431309), (259, 314739), (333, 244797), (777, 104913), (999, 81599), (2331, 34971), (6993, 11657)]