81851364

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{15467}}^1$

素因数の和:15494

約数の個数: 72

約数和(自身を含む): 246869280

約数和(自身を除く): 165017916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 15467, 30934, 46401, 61868, 92802, 108269, 139203, 185604, 216538, 278406, 324807, 417609, 433076, 556812, 649614, 757883, 835218, 974421, 1299228, 1515766, 1670436, 1948842, 2273649, 2923263, 3031532, 3897684, 4547298, 5846526, 6820947, 9094596, 11693052, 13641894, 20462841, 27283788, 40925682, 81851364]

約数ペア:

[(1, 81851364), (2, 40925682), (3, 27283788), (4, 20462841), (6, 13641894), (7, 11693052), (9, 9094596), (12, 6820947), (14, 5846526), (18, 4547298), (21, 3897684), (27, 3031532), (28, 2923263), (36, 2273649), (42, 1948842), (49, 1670436), (54, 1515766), (63, 1299228), (84, 974421), (98, 835218), (108, 757883), (126, 649614), (147, 556812), (189, 433076), (196, 417609), (252, 324807), (294, 278406), (378, 216538), (441, 185604), (588, 139203), (756, 108269), (882, 92802), (1323, 61868), (1764, 46401), (2646, 30934), (5292, 15467)]