51387567

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1493}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 86054400

約数和(自身を除く): 34666833

約数列:

[1, 3, 7, 11, 21, 33, 77, 149, 231, 447, 1043, 1493, 1639, 3129, 4479, 4917, 10451, 11473, 16423, 31353, 34419, 49269, 114961, 222457, 344883, 667371, 1557199, 2447027, 4671597, 7341081, 17129189, 51387567]

約数ペア:

[(1, 51387567), (3, 17129189), (7, 7341081), (11, 4671597), (21, 2447027), (33, 1557199), (77, 667371), (149, 344883), (231, 222457), (447, 114961), (1043, 49269), (1493, 34419), (1639, 31353), (3129, 16423), (4479, 11473), (4917, 10451)]