81063909

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{5591}}^1$

素因数の和:5782

約数の個数: 20

約数和(自身を含む): 121793760

約数和(自身を除く): 40729851

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 4833, 5591, 14499, 16773, 50319, 150957, 452871, 1000789, 3002367, 9007101, 27021303, 81063909]

約数ペア:

[(1, 81063909), (3, 27021303), (9, 9007101), (27, 3002367), (81, 1000789), (179, 452871), (537, 150957), (1611, 50319), (4833, 16773), (5591, 14499)]