78791427

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20407}}^1$

素因数の和:20440

約数の個数: 32

約数和(自身を含む): 137141760

約数和(自身を除く): 58350333

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 20407, 61221, 183663, 224477, 265291, 550989, 673431, 795873, 2020293, 2387619, 2918201, 6060879, 7162857, 8754603, 26263809, 78791427]

約数ペア:

[(1, 78791427), (3, 26263809), (9, 8754603), (11, 7162857), (13, 6060879), (27, 2918201), (33, 2387619), (39, 2020293), (99, 795873), (117, 673431), (143, 550989), (297, 265291), (351, 224477), (429, 183663), (1287, 61221), (3861, 20407)]