28068579

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 26121501

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 99, 161, 189, 207, 231, 253, 297, 483, 587, 621, 693, 759, 1449, 1761, 1771, 2079, 2277, 4109, 4347, 5283, 5313, 6457, 6831, 12327, 13501, 15849, 15939, 19371, 36981, 40503, 45199, 47817, 58113, 94507, 110943, 121509, 135597, 148511, 174339, 283521, 364527, 406791, 445533, 850563, 1039577, 1220373, 1336599, 2551689, 3118731, 4009797, 9356193, 28068579]

約数ペア:

[(1, 28068579), (3, 9356193), (7, 4009797), (9, 3118731), (11, 2551689), (21, 1336599), (23, 1220373), (27, 1039577), (33, 850563), (63, 445533), (69, 406791), (77, 364527), (99, 283521), (161, 174339), (189, 148511), (207, 135597), (231, 121509), (253, 110943), (297, 94507), (483, 58113), (587, 47817), (621, 45199), (693, 40503), (759, 36981), (1449, 19371), (1761, 15939), (1771, 15849), (2079, 13501), (2277, 12327), (4109, 6831), (4347, 6457), (5283, 5313)]