81510786

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71879}}^1$

素因数の和:71900

約数の個数: 40

約数和(自身を含む): 208739520

約数和(自身を除く): 127228734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 71879, 143758, 215637, 431274, 503153, 646911, 1006306, 1293822, 1509459, 1940733, 3018918, 3881466, 4528377, 5822199, 9056754, 11644398, 13585131, 27170262, 40755393, 81510786]

約数ペア:

[(1, 81510786), (2, 40755393), (3, 27170262), (6, 13585131), (7, 11644398), (9, 9056754), (14, 5822199), (18, 4528377), (21, 3881466), (27, 3018918), (42, 1940733), (54, 1509459), (63, 1293822), (81, 1006306), (126, 646911), (162, 503153), (189, 431274), (378, 215637), (567, 143758), (1134, 71879)]