28547073

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{1789}}^1$

素因数の和:1998

約数の個数: 20

約数和(自身を含む): 42884820

約数和(自身を除く): 14337747

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 1789, 5319, 5367, 15957, 16101, 48303, 144909, 352433, 1057299, 3171897, 9515691, 28547073]

約数ペア:

[(1, 28547073), (3, 9515691), (9, 3171897), (27, 1057299), (81, 352433), (197, 144909), (591, 48303), (1773, 16101), (1789, 15957), (5319, 5367)]