2389947

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1559}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 3694080

約数和(自身を除く): 1304133

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 1559, 4677, 10913, 32739, 113807, 341421, 796649, 2389947]

約数ペア:

[(1, 2389947), (3, 796649), (7, 341421), (21, 113807), (73, 32739), (219, 10913), (511, 4677), (1533, 1559)]