172513881

素因数分解:

$3^4\times {\mathrm{937}}^1\times {\mathrm{2273}}^1$

素因数の和:3222

約数の個数: 20

約数和(自身を含む): 258094452

約数和(自身を除く): 85580571

約数列:

[1, 3, 9, 27, 81, 937, 2273, 2811, 6819, 8433, 20457, 25299, 61371, 75897, 184113, 2129801, 6389403, 19168209, 57504627, 172513881]

約数ペア:

[(1, 172513881), (3, 57504627), (9, 19168209), (27, 6389403), (81, 2129801), (937, 184113), (2273, 75897), (2811, 61371), (6819, 25299), (8433, 20457)]