128401413

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{13037}}^1$

素因数の和:13121

約数の個数: 24

約数和(自身を含む): 202141152

約数和(自身を除く): 73739739

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 3283, 9849, 13037, 39111, 91259, 273777, 638813, 873479, 1916439, 2620437, 6114353, 18343059, 42800471, 128401413]

約数ペア:

[(1, 128401413), (3, 42800471), (7, 18343059), (21, 6114353), (49, 2620437), (67, 1916439), (147, 873479), (201, 638813), (469, 273777), (1407, 91259), (3283, 39111), (9849, 13037)]