61581919

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1307}}^1$

素因数の和:1494

約数の個数: 16

約数和(自身を含む): 72327168

約数和(自身を除く): 10745249

約数列:

[1, 7, 53, 127, 371, 889, 1307, 6731, 9149, 47117, 69271, 165989, 484897, 1161923, 8797417, 61581919]

約数ペア:

[(1, 61581919), (7, 8797417), (53, 1161923), (127, 484897), (371, 165989), (889, 69271), (1307, 47117), (6731, 9149)]