280319193

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 540334080

約数和(自身を除く): 260014887

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 43, 63, 69, 77, 99, 129, 161, 207, 231, 253, 301, 387, 409, 473, 483, 693, 759, 903, 989, 1227, 1419, 1449, 1771, 2277, 2709, 2863, 2967, 3311, 3681, 4257, 4499, 5313, 6923, 8589, 8901, 9407, 9933, 10879, 13497, 15939, 17587, 20769, 25767, 28221, 29799, 31493, 32637, 40491, 52761, 62307, 65849, 76153, 84663, 94479, 97911, 103477, 123109, 158283, 193457, 197547, 228459, 283437, 310431, 369327, 404501, 580371, 592641, 685377, 724339, 931293, 1107981, 1213503, 1354199, 1741113, 2173017, 2831507, 3640509, 4062597, 4449511, 6519051, 8494521, 12187791, 13348533, 25483563, 31146577, 40045599, 93439731, 280319193]

約数ペア:

[(1, 280319193), (3, 93439731), (7, 40045599), (9, 31146577), (11, 25483563), (21, 13348533), (23, 12187791), (33, 8494521), (43, 6519051), (63, 4449511), (69, 4062597), (77, 3640509), (99, 2831507), (129, 2173017), (161, 1741113), (207, 1354199), (231, 1213503), (253, 1107981), (301, 931293), (387, 724339), (409, 685377), (473, 592641), (483, 580371), (693, 404501), (759, 369327), (903, 310431), (989, 283437), (1227, 228459), (1419, 197547), (1449, 193457), (1771, 158283), (2277, 123109), (2709, 103477), (2863, 97911), (2967, 94479), (3311, 84663), (3681, 76153), (4257, 65849), (4499, 62307), (5313, 52761), (6923, 40491), (8589, 32637), (8901, 31493), (9407, 29799), (9933, 28221), (10879, 25767), (13497, 20769), (15939, 17587)]