13789405

素因数分解:

$5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{809}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 18973440

約数和(自身を除く): 5184035

約数列:

[1, 5, 7, 35, 487, 809, 2435, 3409, 4045, 5663, 17045, 28315, 393983, 1969915, 2757881, 13789405]

約数ペア:

[(1, 13789405), (5, 2757881), (7, 1969915), (35, 393983), (487, 28315), (809, 17045), (2435, 5663), (3409, 4045)]