1340655

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 2163840

約数和(自身を除く): 823185

約数列:

[1, 3, 5, 15, 139, 417, 643, 695, 1929, 2085, 3215, 9645, 89377, 268131, 446885, 1340655]

約数ペア:

[(1, 1340655), (3, 446885), (5, 268131), (15, 89377), (139, 9645), (417, 3215), (643, 2085), (695, 1929)]