861363981

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{1568969}}^1$

素因数の和:1569036

約数の個数: 12

約数和(自身を含む): 1264589820

約数和(自身を除く): 403225839

約数列:

[1, 3, 9, 61, 183, 549, 1568969, 4706907, 14120721, 95707109, 287121327, 861363981]

約数ペア:

[(1, 861363981), (3, 287121327), (9, 95707109), (61, 14120721), (183, 4706907), (549, 1568969)]