81158571

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3919}}^1$

素因数の和:4000

約数の個数: 32

約数和(自身を含む): 131712000

約数和(自身を除く): 50553429

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 1593, 2301, 3919, 6903, 11757, 20709, 35271, 50947, 105813, 152841, 231221, 458523, 693663, 1375569, 2080989, 3005873, 6242967, 9017619, 27052857, 81158571]

約数ペア:

[(1, 81158571), (3, 27052857), (9, 9017619), (13, 6242967), (27, 3005873), (39, 2080989), (59, 1375569), (117, 693663), (177, 458523), (351, 231221), (531, 152841), (767, 105813), (1593, 50947), (2301, 35271), (3919, 20709), (6903, 11757)]