209250711

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{43951}}^1$

素因数の和:44003

約数の個数: 18

約数和(自身を含む): 315970928

約数和(自身を除く): 106720217

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 43951, 131853, 395559, 1010873, 3032619, 9097857, 23250079, 69750237, 209250711]

約数ペア:

[(1, 209250711), (3, 69750237), (9, 23250079), (23, 9097857), (69, 3032619), (207, 1010873), (529, 395559), (1587, 131853), (4761, 43951)]