16990353

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 25796160

約数和(自身を除く): 8805807

約数列:

[1, 3, 9, 23, 69, 207, 211, 389, 633, 1167, 1899, 3501, 4853, 8947, 14559, 26841, 43677, 80523, 82079, 246237, 738711, 1887817, 5663451, 16990353]

約数ペア:

[(1, 16990353), (3, 5663451), (9, 1887817), (23, 738711), (69, 246237), (207, 82079), (211, 80523), (389, 43677), (633, 26841), (1167, 14559), (1899, 8947), (3501, 4853)]