78787395

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 147164160

約数和(自身を除く): 68376765

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 817, 855, 1935, 2143, 2451, 4085, 6429, 7353, 10715, 12255, 19287, 32145, 36765, 40717, 92149, 96435, 122151, 203585, 276447, 366453, 460745, 610755, 829341, 1382235, 1750831, 1832265, 4146705, 5252493, 8754155, 15757479, 26262465, 78787395]

約数ペア:

[(1, 78787395), (3, 26262465), (5, 15757479), (9, 8754155), (15, 5252493), (19, 4146705), (43, 1832265), (45, 1750831), (57, 1382235), (95, 829341), (129, 610755), (171, 460745), (215, 366453), (285, 276447), (387, 203585), (645, 122151), (817, 96435), (855, 92149), (1935, 40717), (2143, 36765), (2451, 32145), (4085, 19287), (6429, 12255), (7353, 10715)]