201242111

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 252174336

約数和(自身を除く): 50932225

約数列:

[1, 7, 23, 31, 61, 161, 217, 427, 661, 713, 1403, 1891, 4627, 4991, 9821, 13237, 15203, 20491, 40321, 43493, 106421, 143437, 282247, 304451, 471293, 927383, 1249951, 3299051, 6491681, 8749657, 28748873, 201242111]

約数ペア:

[(1, 201242111), (7, 28748873), (23, 8749657), (31, 6491681), (61, 3299051), (161, 1249951), (217, 927383), (427, 471293), (661, 304451), (713, 282247), (1403, 143437), (1891, 106421), (4627, 43493), (4991, 40321), (9821, 20491), (13237, 15203)]