12987765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41231}}^1$

素因数の和:41249

約数の個数: 24

約数和(自身を含む): 25728768

約数和(自身を除く): 12741003

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 41231, 123693, 206155, 288617, 371079, 618465, 865851, 1443085, 1855395, 2597553, 4329255, 12987765]

約数ペア:

[(1, 12987765), (3, 4329255), (5, 2597553), (7, 1855395), (9, 1443085), (15, 865851), (21, 618465), (35, 371079), (45, 288617), (63, 206155), (105, 123693), (315, 41231)]