68820405

素因数分解:

$3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{9421}}^1$

素因数の和:9916

約数の個数: 16

約数和(自身を含む): 110350464

約数和(自身を除く): 41530059

約数列:

[1, 3, 5, 15, 487, 1461, 2435, 7305, 9421, 28263, 47105, 141315, 4588027, 13764081, 22940135, 68820405]

約数ペア:

[(1, 68820405), (3, 22940135), (5, 13764081), (15, 4588027), (487, 141315), (1461, 47105), (2435, 28263), (7305, 9421)]