210871207

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 222566400

約数和(自身を除く): 11695193

約数列:

[1, 31, 71, 149, 643, 2201, 4619, 10579, 19933, 45653, 95807, 327949, 1415243, 2970017, 6802297, 210871207]

約数ペア:

[(1, 210871207), (31, 6802297), (71, 2970017), (149, 1415243), (643, 327949), (2201, 95807), (4619, 45653), (10579, 19933)]