16581753

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{4993}}^1$

素因数の和:5046

約数の個数: 20

約数和(自身を含む): 25379508

約数和(自身を除く): 8797755

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 4993, 14979, 44937, 134811, 204713, 404433, 614139, 1842417, 5527251, 16581753]

約数ペア:

[(1, 16581753), (3, 5527251), (9, 1842417), (27, 614139), (41, 404433), (81, 204713), (123, 134811), (369, 44937), (1107, 14979), (3321, 4993)]