201981039

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 321753600

約数和(自身を除く): 119772561

約数列:

[1, 3, 13, 19, 37, 39, 53, 57, 111, 139, 159, 247, 417, 481, 689, 703, 741, 1007, 1443, 1807, 1961, 2067, 2109, 2641, 3021, 5143, 5421, 5883, 7367, 7923, 9139, 13091, 15429, 22101, 25493, 27417, 34333, 37259, 39273, 66859, 76479, 95771, 97717, 102999, 111777, 139973, 200577, 272579, 287313, 293151, 419919, 484367, 817737, 1270321, 1453101, 1819649, 3543527, 3810963, 5179001, 5458947, 10630581, 15537003, 67327013, 201981039]

約数ペア:

[(1, 201981039), (3, 67327013), (13, 15537003), (19, 10630581), (37, 5458947), (39, 5179001), (53, 3810963), (57, 3543527), (111, 1819649), (139, 1453101), (159, 1270321), (247, 817737), (417, 484367), (481, 419919), (689, 293151), (703, 287313), (741, 272579), (1007, 200577), (1443, 139973), (1807, 111777), (1961, 102999), (2067, 97717), (2109, 95771), (2641, 76479), (3021, 66859), (5143, 39273), (5421, 37259), (5883, 34333), (7367, 27417), (7923, 25493), (9139, 22101), (13091, 15429)]