51219063

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 91682448

約数和(自身を除く): 40463385

約数列:

[1, 3, 7, 9, 21, 37, 43, 49, 63, 73, 111, 129, 147, 219, 259, 301, 333, 387, 441, 511, 657, 777, 903, 1533, 1591, 1813, 2107, 2331, 2701, 2709, 3139, 3577, 4599, 4773, 5439, 6321, 8103, 9417, 10731, 11137, 14319, 16317, 18907, 18963, 21973, 24309, 28251, 32193, 33411, 56721, 65919, 77959, 100233, 116143, 132349, 153811, 170163, 197757, 233877, 348429, 397047, 461433, 701631, 813001, 1045287, 1191141, 1384299, 2439003, 5691007, 7317009, 17073021, 51219063]

約数ペア:

[(1, 51219063), (3, 17073021), (7, 7317009), (9, 5691007), (21, 2439003), (37, 1384299), (43, 1191141), (49, 1045287), (63, 813001), (73, 701631), (111, 461433), (129, 397047), (147, 348429), (219, 233877), (259, 197757), (301, 170163), (333, 153811), (387, 132349), (441, 116143), (511, 100233), (657, 77959), (777, 65919), (903, 56721), (1533, 33411), (1591, 32193), (1813, 28251), (2107, 24309), (2331, 21973), (2701, 18963), (2709, 18907), (3139, 16317), (3577, 14319), (4599, 11137), (4773, 10731), (5439, 9417), (6321, 8103)]