2152647

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 3634176

約数和(自身を除く): 1481529

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 727, 987, 2181, 2961, 5089, 6543, 15267, 34169, 45801, 102507, 239183, 307521, 717549, 2152647]

約数ペア:

[(1, 2152647), (3, 717549), (7, 307521), (9, 239183), (21, 102507), (47, 45801), (63, 34169), (141, 15267), (329, 6543), (423, 5089), (727, 2961), (987, 2181)]