197342271

素因数分解:

$3^3\times 7^1\times {\mathrm{1044139}}^1$

素因数の和:1044155

約数の個数: 16

約数和(自身を含む): 334124800

約数和(自身を除く): 136782529

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1044139, 3132417, 7308973, 9397251, 21926919, 28191753, 65780757, 197342271]

約数ペア:

[(1, 197342271), (3, 65780757), (7, 28191753), (9, 21926919), (21, 9397251), (27, 7308973), (63, 3132417), (189, 1044139)]