557788599

素因数分解:

$3^4\times {\mathrm{997}}^1\times {\mathrm{6907}}^1$

素因数の和:7916

約数の個数: 20

約数和(自身を含む): 834196264

約数和(自身を除く): 276407665

約数列:

[1, 3, 9, 27, 81, 997, 2991, 6907, 8973, 20721, 26919, 62163, 80757, 186489, 559467, 6886279, 20658837, 61976511, 185929533, 557788599]

約数ペア:

[(1, 557788599), (3, 185929533), (9, 61976511), (27, 20658837), (81, 6886279), (997, 559467), (2991, 186489), (6907, 80757), (8973, 62163), (20721, 26919)]