31125627

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 20242053

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 167, 177, 243, 351, 501, 531, 767, 1053, 1503, 1593, 2171, 2301, 3159, 4509, 4779, 6513, 6903, 9853, 13527, 14337, 19539, 20709, 29559, 40581, 58617, 62127, 88677, 128089, 175851, 186381, 266031, 384267, 527553, 798093, 1152801, 2394279, 3458403, 10375209, 31125627]

約数ペア:

[(1, 31125627), (3, 10375209), (9, 3458403), (13, 2394279), (27, 1152801), (39, 798093), (59, 527553), (81, 384267), (117, 266031), (167, 186381), (177, 175851), (243, 128089), (351, 88677), (501, 62127), (531, 58617), (767, 40581), (1053, 29559), (1503, 20709), (1593, 19539), (2171, 14337), (2301, 13527), (3159, 9853), (4509, 6903), (4779, 6513)]