198179919

素因数分解:

$3^3\times 7^1\times {\mathrm{1048571}}^1$

素因数の和:1048587

約数の個数: 16

約数和(自身を含む): 335543040

約数和(自身を除く): 137363121

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1048571, 3145713, 7339997, 9437139, 22019991, 28311417, 66059973, 198179919]

約数ペア:

[(1, 198179919), (3, 66059973), (7, 28311417), (9, 22019991), (21, 9437139), (27, 7339997), (63, 3145713), (189, 1048571)]