12947085

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6691}}^1$

素因数の和:6745

約数の個数: 24

約数和(自身を含む): 22966944

約数和(自身を除く): 10019859

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6691, 20073, 33455, 60219, 100365, 287713, 301095, 863139, 1438565, 2589417, 4315695, 12947085]

約数ペア:

[(1, 12947085), (3, 4315695), (5, 2589417), (9, 1438565), (15, 863139), (43, 301095), (45, 287713), (129, 100365), (215, 60219), (387, 33455), (645, 20073), (1935, 6691)]