197802021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{90197}}^1$

素因数の和:90260

約数の個数: 16

約数和(自身を含む): 285747264

約数和(自身を除く): 87945243

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 90197, 270591, 1533349, 3878471, 4600047, 11635413, 65934007, 197802021]

約数ペア:

[(1, 197802021), (3, 65934007), (17, 11635413), (43, 4600047), (51, 3878471), (129, 1533349), (731, 270591), (2193, 90197)]