12821805

素因数分解:

$3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{571}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 22308000

約数和(自身を除く): 9486195

約数列:

[1, 3, 5, 9, 15, 45, 499, 571, 1497, 1713, 2495, 2855, 4491, 5139, 7485, 8565, 22455, 25695, 284929, 854787, 1424645, 2564361, 4273935, 12821805]

約数ペア:

[(1, 12821805), (3, 4273935), (5, 2564361), (9, 1424645), (15, 854787), (45, 284929), (499, 25695), (571, 22455), (1497, 8565), (1713, 7485), (2495, 5139), (2855, 4491)]