720042297

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 1100937600

約数和(自身を除く): 380895303

約数列:

[1, 3, 13, 19, 39, 57, 199, 247, 257, 361, 597, 741, 771, 1083, 2587, 3341, 3781, 4693, 4883, 7761, 10023, 11343, 14079, 14649, 49153, 51143, 63479, 71839, 92777, 147459, 153429, 190437, 215517, 278331, 664859, 933907, 971717, 1206101, 1994577, 2801721, 2915151, 3618303, 12632321, 18462623, 37896963, 55387869, 240014099, 720042297]

約数ペア:

[(1, 720042297), (3, 240014099), (13, 55387869), (19, 37896963), (39, 18462623), (57, 12632321), (199, 3618303), (247, 2915151), (257, 2801721), (361, 1994577), (597, 1206101), (741, 971717), (771, 933907), (1083, 664859), (2587, 278331), (3341, 215517), (3781, 190437), (4693, 153429), (4883, 147459), (7761, 92777), (10023, 71839), (11343, 63479), (14079, 51143), (14649, 49153)]