201537891

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{42331}}^1$

素因数の和:42383

約数の個数: 18

約数和(自身を含む): 304324748

約数和(自身を除く): 102786857

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 42331, 126993, 380979, 973613, 2920839, 8762517, 22393099, 67179297, 201537891]

約数ペア:

[(1, 201537891), (3, 67179297), (9, 22393099), (23, 8762517), (69, 2920839), (207, 973613), (529, 380979), (1587, 126993), (4761, 42331)]