1287517

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 1677312

約数和(自身を除く): 389795

約数列:

[1, 7, 11, 23, 77, 161, 253, 727, 1771, 5089, 7997, 16721, 55979, 117047, 183931, 1287517]

約数ペア:

[(1, 1287517), (7, 183931), (11, 117047), (23, 55979), (77, 16721), (161, 7997), (253, 5089), (727, 1771)]