266685129

素因数分解:

$3^4\times {\mathrm{431}}^1\times {\mathrm{7639}}^1$

素因数の和:8082

約数の個数: 20

約数和(自身を含む): 399358080

約数和(自身を除く): 132672951

約数列:

[1, 3, 9, 27, 81, 431, 1293, 3879, 7639, 11637, 22917, 34911, 68751, 206253, 618759, 3292409, 9877227, 29631681, 88895043, 266685129]

約数ペア:

[(1, 266685129), (3, 88895043), (9, 29631681), (27, 9877227), (81, 3292409), (431, 618759), (1293, 206253), (3879, 68751), (7639, 34911), (11637, 22917)]