28864647

素因数分解:

$3^3\times 7^1\times {\mathrm{152723}}^1$

素因数の和:152739

約数の個数: 16

約数和(自身を含む): 48871680

約数和(自身を除く): 20007033

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 152723, 458169, 1069061, 1374507, 3207183, 4123521, 9621549, 28864647]

約数ペア:

[(1, 28864647), (3, 9621549), (7, 4123521), (9, 3207183), (21, 1374507), (27, 1069061), (63, 458169), (189, 152723)]