16990869

素因数分解:

$3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1931}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 25966080

約数和(自身を除く): 8975211

約数列:

[1, 3, 7, 21, 419, 1257, 1931, 2933, 5793, 8799, 13517, 40551, 809089, 2427267, 5663623, 16990869]

約数ペア:

[(1, 16990869), (3, 5663623), (7, 2427267), (21, 809089), (419, 40551), (1257, 13517), (1931, 8799), (2933, 5793)]