157215849

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 260554752

約数和(自身を除く): 103338903

約数列:

[1, 3, 7, 21, 31, 37, 61, 93, 107, 111, 183, 217, 259, 321, 427, 651, 749, 777, 1147, 1281, 1891, 2247, 2257, 3317, 3441, 3959, 5673, 6527, 6771, 8029, 9951, 11877, 13237, 15799, 19581, 23219, 24087, 27713, 39711, 45689, 47397, 69657, 69967, 83139, 122729, 137067, 202337, 209901, 241499, 368187, 489769, 607011, 724497, 859103, 1416359, 1469307, 1690493, 2577309, 4249077, 5071479, 7486469, 22459407, 52405283, 157215849]

約数ペア:

[(1, 157215849), (3, 52405283), (7, 22459407), (21, 7486469), (31, 5071479), (37, 4249077), (61, 2577309), (93, 1690493), (107, 1469307), (111, 1416359), (183, 859103), (217, 724497), (259, 607011), (321, 489769), (427, 368187), (651, 241499), (749, 209901), (777, 202337), (1147, 137067), (1281, 122729), (1891, 83139), (2247, 69967), (2257, 69657), (3317, 47397), (3441, 45689), (3959, 39711), (5673, 27713), (6527, 24087), (6771, 23219), (8029, 19581), (9951, 15799), (11877, 13237)]