201149571

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{661}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 315048448

約数和(自身を除く): 113898877

約数列:

[1, 3, 7, 21, 43, 129, 301, 337, 661, 903, 1011, 1983, 2359, 4627, 7077, 13881, 14491, 28423, 43473, 85269, 101437, 198961, 222757, 304311, 596883, 668271, 1559299, 4677897, 9578551, 28735653, 67049857, 201149571]

約数ペア:

[(1, 201149571), (3, 67049857), (7, 28735653), (21, 9578551), (43, 4677897), (129, 1559299), (301, 668271), (337, 596883), (661, 304311), (903, 222757), (1011, 198961), (1983, 101437), (2359, 85269), (4627, 43473), (7077, 28423), (13881, 14491)]