1861245

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 3507840

約数和(自身を除く): 1646595

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 811, 2295, 2433, 4055, 7299, 12165, 13787, 21897, 36495, 41361, 68935, 109485, 124083, 206805, 372249, 620415, 1861245]

約数ペア:

[(1, 1861245), (3, 620415), (5, 372249), (9, 206805), (15, 124083), (17, 109485), (27, 68935), (45, 41361), (51, 36495), (85, 21897), (135, 13787), (153, 12165), (255, 7299), (459, 4055), (765, 2433), (811, 2295)]