28574007

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 21067977

約数列:

[1, 3, 7, 11, 21, 33, 41, 49, 77, 123, 147, 231, 287, 431, 451, 539, 861, 1293, 1353, 1617, 2009, 3017, 3157, 4741, 6027, 9051, 9471, 14223, 17671, 21119, 22099, 33187, 53013, 63357, 66297, 99561, 123697, 194381, 232309, 371091, 583143, 696927, 865879, 1360667, 2597637, 4082001, 9524669, 28574007]

約数ペア:

[(1, 28574007), (3, 9524669), (7, 4082001), (11, 2597637), (21, 1360667), (33, 865879), (41, 696927), (49, 583143), (77, 371091), (123, 232309), (147, 194381), (231, 123697), (287, 99561), (431, 66297), (451, 63357), (539, 53013), (861, 33187), (1293, 22099), (1353, 21119), (1617, 17671), (2009, 14223), (3017, 9471), (3157, 9051), (4741, 6027)]