63945945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4721}}^1$

素因数の和:4782

約数の個数: 48

約数和(自身を含む): 129647232

約数和(自身を除く): 65701287

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2709, 4515, 4721, 13545, 14163, 23605, 33047, 42489, 70815, 99141, 165235, 203003, 212445, 297423, 495705, 609009, 1015015, 1421021, 1487115, 1827027, 3045045, 4263063, 7105105, 9135135, 12789189, 21315315, 63945945]

約数ペア:

[(1, 63945945), (3, 21315315), (5, 12789189), (7, 9135135), (9, 7105105), (15, 4263063), (21, 3045045), (35, 1827027), (43, 1487115), (45, 1421021), (63, 1015015), (105, 609009), (129, 495705), (215, 297423), (301, 212445), (315, 203003), (387, 165235), (645, 99141), (903, 70815), (1505, 42489), (1935, 33047), (2709, 23605), (4515, 14163), (4721, 13545)]