258442911

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{404449}}^1$

素因数の和:404526

約数の個数: 12

約数和(自身を含む): 378565200

約数和(自身を除く): 120122289

約数列:

[1, 3, 9, 71, 213, 639, 404449, 1213347, 3640041, 28715879, 86147637, 258442911]

約数ペア:

[(1, 258442911), (3, 86147637), (9, 28715879), (71, 3640041), (213, 1213347), (639, 404449)]