128547855

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2228

約数の個数: 48

約数和(自身を含む): 235462656

約数和(自身を除く): 106914801

約数列:

[1, 3, 5, 9, 15, 31, 43, 45, 93, 129, 155, 215, 279, 387, 465, 645, 1333, 1395, 1935, 2143, 3999, 6429, 6665, 10715, 11997, 19287, 19995, 32145, 59985, 66433, 92149, 96435, 199299, 276447, 332165, 460745, 597897, 829341, 996495, 1382235, 2856619, 2989485, 4146705, 8569857, 14283095, 25709571, 42849285, 128547855]

約数ペア:

[(1, 128547855), (3, 42849285), (5, 25709571), (9, 14283095), (15, 8569857), (31, 4146705), (43, 2989485), (45, 2856619), (93, 1382235), (129, 996495), (155, 829341), (215, 597897), (279, 460745), (387, 332165), (465, 276447), (645, 199299), (1333, 96435), (1395, 92149), (1935, 66433), (2143, 59985), (3999, 32145), (6429, 19995), (6665, 19287), (10715, 11997)]