54081391

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 72396800

約数和(自身を除く): 18315409

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 589, 1009, 1729, 2821, 4123, 7063, 7657, 13117, 19171, 31279, 53599, 91819, 134197, 218953, 249223, 406627, 594301, 1744561, 2846389, 4160107, 7725913, 54081391]

約数ペア:

[(1, 54081391), (7, 7725913), (13, 4160107), (19, 2846389), (31, 1744561), (91, 594301), (133, 406627), (217, 249223), (247, 218953), (403, 134197), (589, 91819), (1009, 53599), (1729, 31279), (2821, 19171), (4123, 13117), (7063, 7657)]