27804945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 55420416

約数和(自身を除く): 27615471

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 37, 51, 85, 105, 111, 119, 185, 255, 259, 357, 421, 555, 595, 629, 777, 1263, 1295, 1785, 1887, 2105, 2947, 3145, 3885, 4403, 6315, 7157, 8841, 9435, 13209, 14735, 15577, 21471, 22015, 35785, 44205, 46731, 50099, 66045, 77885, 107355, 109039, 150297, 233655, 250495, 264809, 327117, 545195, 751485, 794427, 1324045, 1635585, 1853663, 3972135, 5560989, 9268315, 27804945]

約数ペア:

[(1, 27804945), (3, 9268315), (5, 5560989), (7, 3972135), (15, 1853663), (17, 1635585), (21, 1324045), (35, 794427), (37, 751485), (51, 545195), (85, 327117), (105, 264809), (111, 250495), (119, 233655), (185, 150297), (255, 109039), (259, 107355), (357, 77885), (421, 66045), (555, 50099), (595, 46731), (629, 44205), (777, 35785), (1263, 22015), (1295, 21471), (1785, 15577), (1887, 14735), (2105, 13209), (2947, 9435), (3145, 8841), (3885, 7157), (4403, 6315)]