638049489

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2762119}}^1$

素因数の和:2762140

約数の個数: 16

約数和(自身を含む): 1060654080

約数和(自身を除く): 422604591

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 2762119, 8286357, 19334833, 30383309, 58004499, 91149927, 212683163, 638049489]

約数ペア:

[(1, 638049489), (3, 212683163), (7, 91149927), (11, 58004499), (21, 30383309), (33, 19334833), (77, 8286357), (231, 2762119)]