209852643

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 390700800

約数和(自身を除く): 180848157

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 67, 77, 91, 143, 147, 149, 201, 231, 273, 429, 447, 469, 539, 637, 737, 871, 1001, 1043, 1407, 1617, 1639, 1911, 1937, 2211, 2613, 3003, 3129, 3283, 4917, 5159, 5811, 6097, 7007, 7301, 9581, 9849, 9983, 11473, 13559, 15477, 18291, 21021, 21307, 21903, 28743, 29949, 34419, 36113, 40677, 42679, 63921, 67067, 69881, 80311, 94913, 108339, 109813, 128037, 129779, 149149, 201201, 209643, 240933, 284739, 329439, 389337, 447447, 469469, 489167, 768691, 908453, 1044043, 1408407, 1427569, 1467501, 2306073, 2725359, 3132129, 4282707, 5380837, 6359171, 9992983, 16142511, 19077513, 29978949, 69950881, 209852643]

約数ペア:

[(1, 209852643), (3, 69950881), (7, 29978949), (11, 19077513), (13, 16142511), (21, 9992983), (33, 6359171), (39, 5380837), (49, 4282707), (67, 3132129), (77, 2725359), (91, 2306073), (143, 1467501), (147, 1427569), (149, 1408407), (201, 1044043), (231, 908453), (273, 768691), (429, 489167), (447, 469469), (469, 447447), (539, 389337), (637, 329439), (737, 284739), (871, 240933), (1001, 209643), (1043, 201201), (1407, 149149), (1617, 129779), (1639, 128037), (1911, 109813), (1937, 108339), (2211, 94913), (2613, 80311), (3003, 69881), (3129, 67067), (3283, 63921), (4917, 42679), (5159, 40677), (5811, 36113), (6097, 34419), (7007, 29949), (7301, 28743), (9581, 21903), (9849, 21307), (9983, 21021), (11473, 18291), (13559, 15477)]