15678531

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 26357760

約数和(自身を除く): 10679229

約数列:

[1, 3, 9, 11, 29, 33, 43, 87, 99, 127, 129, 261, 319, 381, 387, 473, 957, 1143, 1247, 1397, 1419, 2871, 3683, 3741, 4191, 4257, 5461, 11049, 11223, 12573, 13717, 16383, 33147, 40513, 41151, 49149, 60071, 121539, 123453, 158369, 180213, 364617, 475107, 540639, 1425321, 1742059, 5226177, 15678531]

約数ペア:

[(1, 15678531), (3, 5226177), (9, 1742059), (11, 1425321), (29, 540639), (33, 475107), (43, 364617), (87, 180213), (99, 158369), (127, 123453), (129, 121539), (261, 60071), (319, 49149), (381, 41151), (387, 40513), (473, 33147), (957, 16383), (1143, 13717), (1247, 12573), (1397, 11223), (1419, 11049), (2871, 5461), (3683, 4257), (3741, 4191)]