18415341

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 32348160

約数和(自身を除く): 13932819

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 179, 207, 213, 483, 497, 537, 639, 1253, 1449, 1491, 1611, 1633, 3759, 4117, 4473, 4899, 11277, 11431, 12351, 12709, 14697, 28819, 34293, 37053, 38127, 86457, 88963, 102879, 114381, 259371, 266889, 292307, 800667, 876921, 2046149, 2630763, 6138447, 18415341]

約数ペア:

[(1, 18415341), (3, 6138447), (7, 2630763), (9, 2046149), (21, 876921), (23, 800667), (63, 292307), (69, 266889), (71, 259371), (161, 114381), (179, 102879), (207, 88963), (213, 86457), (483, 38127), (497, 37053), (537, 34293), (639, 28819), (1253, 14697), (1449, 12709), (1491, 12351), (1611, 11431), (1633, 11277), (3759, 4899), (4117, 4473)]