223516881

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:3995

約数の個数: 48

約数和(自身を含む): 394257600

約数和(自身を除く): 170740719

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 903, 1161, 1323, 2107, 2709, 3929, 6321, 8127, 11787, 18963, 27503, 35361, 56889, 82509, 106083, 168947, 192521, 247527, 506841, 577563, 742581, 1182629, 1520523, 1732689, 3547887, 4561569, 5198067, 8278403, 10643661, 24835209, 31930983, 74505627, 223516881]

約数ペア:

[(1, 223516881), (3, 74505627), (7, 31930983), (9, 24835209), (21, 10643661), (27, 8278403), (43, 5198067), (49, 4561569), (63, 3547887), (129, 1732689), (147, 1520523), (189, 1182629), (301, 742581), (387, 577563), (441, 506841), (903, 247527), (1161, 192521), (1323, 168947), (2107, 106083), (2709, 82509), (3929, 56889), (6321, 35361), (8127, 27503), (11787, 18963)]