280175679

素因数分解:

$3^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{967}}^1$

素因数の和:1066

約数の個数: 60

約数和(自身を含む): 494045904

約数和(自身を除く): 213870225

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 81, 147, 189, 219, 441, 511, 567, 657, 967, 1323, 1533, 1971, 2901, 3577, 3969, 4599, 5913, 6769, 8703, 10731, 13797, 20307, 26109, 32193, 41391, 47383, 60921, 70591, 78327, 96579, 142149, 182763, 211773, 289737, 426447, 494137, 548289, 635319, 1279341, 1482411, 1905957, 3458959, 3838023, 4447233, 5717871, 10376877, 13341699, 31130631, 40025097, 93391893, 280175679]

約数ペア:

[(1, 280175679), (3, 93391893), (7, 40025097), (9, 31130631), (21, 13341699), (27, 10376877), (49, 5717871), (63, 4447233), (73, 3838023), (81, 3458959), (147, 1905957), (189, 1482411), (219, 1279341), (441, 635319), (511, 548289), (567, 494137), (657, 426447), (967, 289737), (1323, 211773), (1533, 182763), (1971, 142149), (2901, 96579), (3577, 78327), (3969, 70591), (4599, 60921), (5913, 47383), (6769, 41391), (8703, 32193), (10731, 26109), (13797, 20307)]