12470985

素因数分解:

$3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 21700224

約数和(自身を除く): 9229239

約数列:

[1, 3, 5, 9, 15, 45, 431, 643, 1293, 1929, 2155, 3215, 3879, 5787, 6465, 9645, 19395, 28935, 277133, 831399, 1385665, 2494197, 4156995, 12470985]

約数ペア:

[(1, 12470985), (3, 4156995), (5, 2494197), (9, 1385665), (15, 831399), (45, 277133), (431, 28935), (643, 19395), (1293, 9645), (1929, 6465), (2155, 5787), (3215, 3879)]