81887841

素因数分解:

$3^8\times 7^1\times {\mathrm{1783}}^1$

素因数の和:1814

約数の個数: 36

約数和(自身を含む): 140450752

約数和(自身を除く): 58562911

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 1783, 2187, 5103, 5349, 6561, 12481, 15309, 16047, 37443, 45927, 48141, 112329, 144423, 336987, 433269, 1010961, 1299807, 3032883, 3899421, 9098649, 11698263, 27295947, 81887841]

約数ペア:

[(1, 81887841), (3, 27295947), (7, 11698263), (9, 9098649), (21, 3899421), (27, 3032883), (63, 1299807), (81, 1010961), (189, 433269), (243, 336987), (567, 144423), (729, 112329), (1701, 48141), (1783, 45927), (2187, 37443), (5103, 16047), (5349, 15309), (6561, 12481)]