209225247

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2753}}^1$

素因数の和:2828

約数の個数: 48

約数和(自身を含む): 361677312

約数和(自身を除く): 152452065

約数列:

[1, 3, 7, 11, 21, 33, 47, 49, 77, 141, 147, 231, 329, 517, 539, 987, 1551, 1617, 2303, 2753, 3619, 6909, 8259, 10857, 19271, 25333, 30283, 57813, 75999, 90849, 129391, 134897, 211981, 388173, 404691, 635943, 905737, 1423301, 1483867, 2717211, 4269903, 4451601, 6340159, 9963107, 19020477, 29889321, 69741749, 209225247]

約数ペア:

[(1, 209225247), (3, 69741749), (7, 29889321), (11, 19020477), (21, 9963107), (33, 6340159), (47, 4451601), (49, 4269903), (77, 2717211), (141, 1483867), (147, 1423301), (231, 905737), (329, 635943), (517, 404691), (539, 388173), (987, 211981), (1551, 134897), (1617, 129391), (2303, 90849), (2753, 75999), (3619, 57813), (6909, 30283), (8259, 25333), (10857, 19271)]