2157141

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 3315200

約数和(自身を除く): 1158059

約数列:

[1, 3, 7, 21, 139, 417, 739, 973, 2217, 2919, 5173, 15519, 102721, 308163, 719047, 2157141]

約数ペア:

[(1, 2157141), (3, 719047), (7, 308163), (21, 102721), (139, 15519), (417, 5173), (739, 2919), (973, 2217)]