54138975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 98565120

約数和(自身を除く): 44426145

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 137, 165, 275, 411, 479, 685, 825, 1437, 1507, 2055, 2395, 3425, 4521, 5269, 7185, 7535, 10275, 11975, 15807, 22605, 26345, 35925, 37675, 65623, 79035, 113025, 131725, 196869, 328115, 395175, 721853, 984345, 1640575, 2165559, 3609265, 4921725, 10827795, 18046325, 54138975]

約数ペア:

[(1, 54138975), (3, 18046325), (5, 10827795), (11, 4921725), (15, 3609265), (25, 2165559), (33, 1640575), (55, 984345), (75, 721853), (137, 395175), (165, 328115), (275, 196869), (411, 131725), (479, 113025), (685, 79035), (825, 65623), (1437, 37675), (1507, 35925), (2055, 26345), (2395, 22605), (3425, 15807), (4521, 11975), (5269, 10275), (7185, 7535)]