16726689

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 29548800

約数和(自身を除く): 12822111

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 269, 329, 423, 441, 807, 987, 1269, 1323, 1883, 2303, 2421, 2961, 5649, 6909, 7263, 8883, 12643, 13181, 16947, 20727, 37929, 39543, 50841, 62181, 88501, 113787, 118629, 265503, 341361, 355887, 619507, 796509, 1858521, 2389527, 5575563, 16726689]

約数ペア:

[(1, 16726689), (3, 5575563), (7, 2389527), (9, 1858521), (21, 796509), (27, 619507), (47, 355887), (49, 341361), (63, 265503), (141, 118629), (147, 113787), (189, 88501), (269, 62181), (329, 50841), (423, 39543), (441, 37929), (807, 20727), (987, 16947), (1269, 13181), (1323, 12643), (1883, 8883), (2303, 7263), (2421, 6909), (2961, 5649)]