16902207

素因数分解:

$3^2\times 7^2\times {\mathrm{38327}}^1$

素因数の和:38347

約数の個数: 18

約数和(自身を含む): 28401048

約数和(自身を除く): 11498841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 38327, 114981, 268289, 344943, 804867, 1878023, 2414601, 5634069, 16902207]

約数ペア:

[(1, 16902207), (3, 5634069), (7, 2414601), (9, 1878023), (21, 804867), (49, 344943), (63, 268289), (147, 114981), (441, 38327)]