75544209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 131040000

約数和(自身を除く): 55495791

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 323, 663, 741, 969, 1989, 1999, 2223, 2907, 4199, 5997, 12597, 17991, 25987, 33983, 37791, 37981, 77961, 101949, 113943, 233883, 305847, 341829, 441779, 493753, 645677, 1325337, 1481259, 1937031, 3976011, 4443777, 5811093, 8393801, 25181403, 75544209]

約数ペア:

[(1, 75544209), (3, 25181403), (9, 8393801), (13, 5811093), (17, 4443777), (19, 3976011), (39, 1937031), (51, 1481259), (57, 1325337), (117, 645677), (153, 493753), (171, 441779), (221, 341829), (247, 305847), (323, 233883), (663, 113943), (741, 101949), (969, 77961), (1989, 37981), (1999, 37791), (2223, 33983), (2907, 25987), (4199, 17991), (5997, 12597)]