53220321

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 120

約数和(自身を含む): 107262144

約数和(自身を除く): 54041823

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 49, 53, 63, 69, 77, 81, 99, 147, 159, 161, 189, 207, 231, 253, 297, 371, 441, 477, 483, 539, 567, 583, 621, 693, 759, 891, 1113, 1127, 1219, 1323, 1431, 1449, 1617, 1749, 1771, 1863, 2079, 2277, 2597, 3339, 3381, 3657, 3969, 4081, 4293, 4347, 4851, 5247, 5313, 6237, 6831, 7791, 8533, 10017, 10143, 10971, 12243, 12397, 13041, 13409, 14553, 15741, 15939, 20493, 23373, 25599, 28567, 30051, 30429, 32913, 36729, 37191, 40227, 43659, 47223, 47817, 59731, 70119, 76797, 85701, 91287, 93863, 98739, 110187, 111573, 120681, 143451, 179193, 210357, 230391, 257103, 281589, 330561, 334719, 362043, 537579, 657041, 691173, 771309, 844767, 1004157, 1086129, 1612737, 1971123, 2313927, 2534301, 4838211, 5913369, 7602903, 17740107, 53220321]

約数ペア:

[(1, 53220321), (3, 17740107), (7, 7602903), (9, 5913369), (11, 4838211), (21, 2534301), (23, 2313927), (27, 1971123), (33, 1612737), (49, 1086129), (53, 1004157), (63, 844767), (69, 771309), (77, 691173), (81, 657041), (99, 537579), (147, 362043), (159, 334719), (161, 330561), (189, 281589), (207, 257103), (231, 230391), (253, 210357), (297, 179193), (371, 143451), (441, 120681), (477, 111573), (483, 110187), (539, 98739), (567, 93863), (583, 91287), (621, 85701), (693, 76797), (759, 70119), (891, 59731), (1113, 47817), (1127, 47223), (1219, 43659), (1323, 40227), (1431, 37191), (1449, 36729), (1617, 32913), (1749, 30429), (1771, 30051), (1863, 28567), (2079, 25599), (2277, 23373), (2597, 20493), (3339, 15939), (3381, 15741), (3657, 14553), (3969, 13409), (4081, 13041), (4293, 12397), (4347, 12243), (4851, 10971), (5247, 10143), (5313, 10017), (6237, 8533), (6831, 7791)]