209901621

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1\times {\mathrm{727}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 282498944

約数和(自身を除く): 72597323

約数列:

[1, 3, 157, 471, 613, 727, 1839, 2181, 96241, 114139, 288723, 342417, 445651, 1336953, 69967207, 209901621]

約数ペア:

[(1, 209901621), (3, 69967207), (157, 1336953), (471, 445651), (613, 342417), (727, 288723), (1839, 114139), (2181, 96241)]