6668949

素因数分解:

$3^1\times 7^3\times {\mathrm{6481}}^1$

素因数の和:6505

約数の個数: 16

約数和(自身を含む): 10371200

約数和(自身を除く): 3702251

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 6481, 19443, 45367, 136101, 317569, 952707, 2222983, 6668949]

約数ペア:

[(1, 6668949), (3, 2222983), (7, 952707), (21, 317569), (49, 136101), (147, 45367), (343, 19443), (1029, 6481)]