81045846

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{2647}}^1$

素因数の和:2677

約数の個数: 64

約数和(自身を含む): 208450560

約数和(自身を除く): 127404714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 2187, 2647, 3402, 4374, 5103, 5294, 7941, 10206, 15309, 15882, 18529, 23823, 30618, 37058, 47646, 55587, 71469, 111174, 142938, 166761, 214407, 333522, 428814, 500283, 643221, 1000566, 1286442, 1500849, 1929663, 3001698, 3859326, 4502547, 5788989, 9005094, 11577978, 13507641, 27015282, 40522923, 81045846]

約数ペア:

[(1, 81045846), (2, 40522923), (3, 27015282), (6, 13507641), (7, 11577978), (9, 9005094), (14, 5788989), (18, 4502547), (21, 3859326), (27, 3001698), (42, 1929663), (54, 1500849), (63, 1286442), (81, 1000566), (126, 643221), (162, 500283), (189, 428814), (243, 333522), (378, 214407), (486, 166761), (567, 142938), (729, 111174), (1134, 71469), (1458, 55587), (1701, 47646), (2187, 37058), (2647, 30618), (3402, 23823), (4374, 18529), (5103, 15882), (5294, 15309), (7941, 10206)]