28759941

素因数分解:

$3^4\times 7^1\times {\mathrm{50723}}^1$

素因数の和:50742

約数の個数: 20

約数和(自身を含む): 49100832

約数和(自身を除く): 20340891

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 50723, 152169, 355061, 456507, 1065183, 1369521, 3195549, 4108563, 9586647, 28759941]

約数ペア:

[(1, 28759941), (3, 9586647), (7, 4108563), (9, 3195549), (21, 1369521), (27, 1065183), (63, 456507), (81, 355061), (189, 152169), (567, 50723)]