55121175

素因数分解:

$3^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 102215680

約数和(自身を除く): 47094505

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 127, 135, 225, 381, 635, 643, 675, 1143, 1905, 1929, 3175, 3215, 3429, 5715, 5787, 9525, 9645, 16075, 17145, 17361, 28575, 28935, 48225, 81661, 85725, 86805, 144675, 244983, 408305, 434025, 734949, 1224915, 2041525, 2204847, 3674745, 6124575, 11024235, 18373725, 55121175]

約数ペア:

[(1, 55121175), (3, 18373725), (5, 11024235), (9, 6124575), (15, 3674745), (25, 2204847), (27, 2041525), (45, 1224915), (75, 734949), (127, 434025), (135, 408305), (225, 244983), (381, 144675), (635, 86805), (643, 85725), (675, 81661), (1143, 48225), (1905, 28935), (1929, 28575), (3175, 17361), (3215, 17145), (3429, 16075), (5715, 9645), (5787, 9525)]