209968257

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{12281}}^1$

素因数の和:12464

約数の個数: 16

約数和(自身を含む): 288872640

約数和(自身を除く): 78904383

約数列:

[1, 3, 41, 123, 139, 417, 5699, 12281, 17097, 36843, 503521, 1510563, 1707059, 5121177, 69989419, 209968257]

約数ペア:

[(1, 209968257), (3, 69989419), (41, 5121177), (123, 1707059), (139, 1510563), (417, 503521), (5699, 36843), (12281, 17097)]