85717989

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{28949}}^1$

素因数の和:29009

約数の個数: 24

約数和(自身を含む): 144518400

約数和(自身を除く): 58800411

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 28949, 86847, 202643, 260541, 607929, 1360603, 1823787, 4081809, 9524221, 12245427, 28572663, 85717989]

約数ペア:

[(1, 85717989), (3, 28572663), (7, 12245427), (9, 9524221), (21, 4081809), (47, 1823787), (63, 1360603), (141, 607929), (329, 260541), (423, 202643), (987, 86847), (2961, 28949)]