27785277

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 19389123

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 171, 247, 261, 377, 431, 551, 741, 1131, 1293, 1653, 2223, 3393, 3879, 4959, 5603, 7163, 8189, 12499, 16809, 21489, 24567, 37497, 50427, 64467, 73701, 106457, 112491, 162487, 237481, 319371, 487461, 712443, 958113, 1462383, 2137329, 3087253, 9261759, 27785277]

約数ペア:

[(1, 27785277), (3, 9261759), (9, 3087253), (13, 2137329), (19, 1462383), (29, 958113), (39, 712443), (57, 487461), (87, 319371), (117, 237481), (171, 162487), (247, 112491), (261, 106457), (377, 73701), (431, 64467), (551, 50427), (741, 37497), (1131, 24567), (1293, 21489), (1653, 16809), (2223, 12499), (3393, 8189), (3879, 7163), (4959, 5603)]