242256987

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 449330112

約数和(自身を除く): 207073125

約数列:

[1, 3, 7, 9, 17, 21, 27, 41, 51, 63, 81, 119, 123, 153, 189, 287, 357, 369, 459, 567, 613, 697, 861, 1071, 1107, 1377, 1839, 2091, 2583, 3213, 3321, 4291, 4879, 5517, 6273, 7749, 9639, 10421, 12873, 14637, 16551, 18819, 23247, 25133, 31263, 38619, 43911, 49653, 56457, 72947, 75399, 93789, 115857, 131733, 175931, 218841, 226197, 281367, 347571, 395199, 427261, 527793, 656523, 678591, 844101, 1281783, 1583379, 1969569, 2035773, 2990827, 3845349, 4750137, 5908707, 8972481, 11536047, 14250411, 26917443, 34608141, 80752329, 242256987]

約数ペア:

[(1, 242256987), (3, 80752329), (7, 34608141), (9, 26917443), (17, 14250411), (21, 11536047), (27, 8972481), (41, 5908707), (51, 4750137), (63, 3845349), (81, 2990827), (119, 2035773), (123, 1969569), (153, 1583379), (189, 1281783), (287, 844101), (357, 678591), (369, 656523), (459, 527793), (567, 427261), (613, 395199), (697, 347571), (861, 281367), (1071, 226197), (1107, 218841), (1377, 175931), (1839, 131733), (2091, 115857), (2583, 93789), (3213, 75399), (3321, 72947), (4291, 56457), (4879, 49653), (5517, 43911), (6273, 38619), (7749, 31263), (9639, 25133), (10421, 23247), (12873, 18819), (14637, 16551)]