12472299

素因数分解:

$3^4\times 7^1\times {\mathrm{21997}}^1$

素因数の和:22016

約数の個数: 20

約数和(自身を含む): 21294064

約数和(自身を除く): 8821765

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21997, 65991, 153979, 197973, 461937, 593919, 1385811, 1781757, 4157433, 12472299]

約数ペア:

[(1, 12472299), (3, 4157433), (7, 1781757), (9, 1385811), (21, 593919), (27, 461937), (63, 197973), (81, 153979), (189, 65991), (567, 21997)]