2156709

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 3058880

約数和(自身を除く): 902171

約数列:

[1, 3, 19, 57, 157, 241, 471, 723, 2983, 4579, 8949, 13737, 37837, 113511, 718903, 2156709]

約数ペア:

[(1, 2156709), (3, 718903), (19, 113511), (57, 37837), (157, 13737), (241, 8949), (471, 4579), (723, 2983)]