81764802

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{72103}}^1$

素因数の和:72124

約数の個数: 40

約数和(自身を含む): 209390016

約数和(自身を除く): 127625214

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 72103, 144206, 216309, 432618, 504721, 648927, 1009442, 1297854, 1514163, 1946781, 3028326, 3893562, 4542489, 5840343, 9084978, 11680686, 13627467, 27254934, 40882401, 81764802]

約数ペア:

[(1, 81764802), (2, 40882401), (3, 27254934), (6, 13627467), (7, 11680686), (9, 9084978), (14, 5840343), (18, 4542489), (21, 3893562), (27, 3028326), (42, 1946781), (54, 1514163), (63, 1297854), (81, 1009442), (126, 648927), (162, 504721), (189, 432618), (378, 216309), (567, 144206), (1134, 72103)]