66591639

素因数分解:

$3^4\times {\mathrm{449}}^1\times {\mathrm{1831}}^1$

素因数の和:2292

約数の個数: 20

約数和(自身を含む): 99752400

約数和(自身を除く): 33160761

約数列:

[1, 3, 9, 27, 81, 449, 1347, 1831, 4041, 5493, 12123, 16479, 36369, 49437, 148311, 822119, 2466357, 7399071, 22197213, 66591639]

約数ペア:

[(1, 66591639), (3, 22197213), (9, 7399071), (27, 2466357), (81, 822119), (449, 148311), (1347, 49437), (1831, 36369), (4041, 16479), (5493, 12123)]