13131489

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32911}}^1$

素因数の和:32940

約数の個数: 16

約数和(自身を含む): 21063680

約数和(自身を除く): 7932191

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 32911, 98733, 230377, 625309, 691131, 1875927, 4377163, 13131489]

約数ペア:

[(1, 13131489), (3, 4377163), (7, 1875927), (19, 691131), (21, 625309), (57, 230377), (133, 98733), (399, 32911)]