199556421

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{90997}}^1$

素因数の和:91060

約数の個数: 16

約数和(自身を含む): 288281664

約数和(自身を除く): 88725243

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 90997, 272991, 1546949, 3912871, 4640847, 11738613, 66518807, 199556421]

約数ペア:

[(1, 199556421), (3, 66518807), (17, 11738613), (43, 4640847), (51, 3912871), (129, 1546949), (731, 272991), (2193, 90997)]