81994815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{86767}}^1$

素因数の和:86788

約数の個数: 32

約数和(自身を含む): 166594560

約数和(自身を除く): 84599745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 86767, 260301, 433835, 607369, 780903, 1301505, 1822107, 2342709, 3036845, 3904515, 5466321, 9110535, 11713545, 16398963, 27331605, 81994815]

約数ペア:

[(1, 81994815), (3, 27331605), (5, 16398963), (7, 11713545), (9, 9110535), (15, 5466321), (21, 3904515), (27, 3036845), (35, 2342709), (45, 1822107), (63, 1301505), (105, 780903), (135, 607369), (189, 433835), (315, 260301), (945, 86767)]