8420085

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 15146880

約数和(自身を除く): 6726795

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 643, 873, 1455, 1929, 2619, 3215, 4365, 5787, 9645, 13095, 17361, 28935, 62371, 86805, 187113, 311855, 561339, 935565, 1684017, 2806695, 8420085]

約数ペア:

[(1, 8420085), (3, 2806695), (5, 1684017), (9, 935565), (15, 561339), (27, 311855), (45, 187113), (97, 86805), (135, 62371), (291, 28935), (485, 17361), (643, 13095), (873, 9645), (1455, 5787), (1929, 4365), (2619, 3215)]