209234949

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1559}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 358525440

約数和(自身を除く): 149290491

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 83, 147, 231, 249, 539, 581, 913, 1559, 1617, 1743, 2739, 4067, 4677, 6391, 10913, 12201, 17149, 19173, 32739, 44737, 51447, 76391, 120043, 129397, 134211, 229173, 360129, 388191, 840301, 905779, 1423367, 2520903, 2717337, 4270101, 6340453, 9963569, 19021359, 29890707, 69744983, 209234949]

約数ペア:

[(1, 209234949), (3, 69744983), (7, 29890707), (11, 19021359), (21, 9963569), (33, 6340453), (49, 4270101), (77, 2717337), (83, 2520903), (147, 1423367), (231, 905779), (249, 840301), (539, 388191), (581, 360129), (913, 229173), (1559, 134211), (1617, 129397), (1743, 120043), (2739, 76391), (4067, 51447), (4677, 44737), (6391, 32739), (10913, 19173), (12201, 17149)]