198451701

素因数分解:

$3^4\times 7^1\times {\mathrm{350003}}^1$

素因数の和:350022

約数の個数: 20

約数和(自身を含む): 338803872

約数和(自身を除く): 140352171

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 350003, 1050009, 2450021, 3150027, 7350063, 9450081, 22050189, 28350243, 66150567, 198451701]

約数ペア:

[(1, 198451701), (3, 66150567), (7, 28350243), (9, 22050189), (21, 9450081), (27, 7350063), (63, 3150027), (81, 2450021), (189, 1050009), (567, 350003)]