85821405

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139547}}^1$

素因数の和:139596

約数の個数: 16

約数和(自身を含む): 140664384

約数和(自身を除く): 54842979

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 139547, 418641, 697735, 2093205, 5721427, 17164281, 28607135, 85821405]

約数ペア:

[(1, 85821405), (3, 28607135), (5, 17164281), (15, 5721427), (41, 2093205), (123, 697735), (205, 418641), (615, 139547)]