221609745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16361}}^1$

素因数の和:16422

約数の個数: 48

約数和(自身を含む): 449235072

約数和(自身を除く): 227625327

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, 13545, 16361, 49083, 81805, 114527, 147249, 245415, 343581, 572635, 703523, 736245, 1030743, 1717905, 2110569, 3517615, 4924661, 5153715, 6331707, 10552845, 14773983, 24623305, 31658535, 44321949, 73869915, 221609745]

約数ペア:

[(1, 221609745), (3, 73869915), (5, 44321949), (7, 31658535), (9, 24623305), (15, 14773983), (21, 10552845), (35, 6331707), (43, 5153715), (45, 4924661), (63, 3517615), (105, 2110569), (129, 1717905), (215, 1030743), (301, 736245), (315, 703523), (387, 572635), (645, 343581), (903, 245415), (1505, 147249), (1935, 114527), (2709, 81805), (4515, 49083), (13545, 16361)]