123276945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 231413760

約数和(自身を除く): 108136815

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 71, 85, 165, 187, 213, 255, 355, 561, 619, 781, 935, 1065, 1207, 1857, 2343, 2805, 3095, 3621, 3905, 6035, 6809, 9285, 10523, 11715, 13277, 18105, 20427, 31569, 34045, 39831, 43949, 52615, 66385, 102135, 115753, 131847, 157845, 199155, 219745, 347259, 483439, 578765, 659235, 747133, 1450317, 1736295, 2241399, 2417195, 3735665, 7251585, 8218463, 11206995, 24655389, 41092315, 123276945]

約数ペア:

[(1, 123276945), (3, 41092315), (5, 24655389), (11, 11206995), (15, 8218463), (17, 7251585), (33, 3735665), (51, 2417195), (55, 2241399), (71, 1736295), (85, 1450317), (165, 747133), (187, 659235), (213, 578765), (255, 483439), (355, 347259), (561, 219745), (619, 199155), (781, 157845), (935, 131847), (1065, 115753), (1207, 102135), (1857, 66385), (2343, 52615), (2805, 43949), (3095, 39831), (3621, 34045), (3905, 31569), (6035, 20427), (6809, 18105), (9285, 13277), (10523, 11715)]