131279211

素因数分解:

$3^4\times 7^1\times {\mathrm{231533}}^1$

素因数の和:231552

約数の個数: 20

約数和(自身を含む): 224124912

約数和(自身を除く): 92845701

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 231533, 694599, 1620731, 2083797, 4862193, 6251391, 14586579, 18754173, 43759737, 131279211]

約数ペア:

[(1, 131279211), (3, 43759737), (7, 18754173), (9, 14586579), (21, 6251391), (27, 4862193), (63, 2083797), (81, 1620731), (189, 694599), (567, 231533)]