201729447

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{27983}}^1$

素因数の和:28084

約数の個数: 20

約数和(自身を含む): 304745760

約数和(自身を除く): 103016313

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 27983, 83949, 251847, 755541, 2266623, 2490487, 7471461, 22414383, 67243149, 201729447]

約数ペア:

[(1, 201729447), (3, 67243149), (9, 22414383), (27, 7471461), (81, 2490487), (89, 2266623), (267, 755541), (801, 251847), (2403, 83949), (7209, 27983)]