128013081

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2459}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 203412480

約数和(自身を除く): 75399399

約数列:

[1, 3, 7, 21, 37, 67, 111, 201, 259, 469, 777, 1407, 2459, 2479, 7377, 7437, 17213, 17353, 51639, 52059, 90983, 164753, 272949, 494259, 636881, 1153271, 1910643, 3459813, 6095861, 18287583, 42671027, 128013081]

約数ペア:

[(1, 128013081), (3, 42671027), (7, 18287583), (21, 6095861), (37, 3459813), (67, 1910643), (111, 1153271), (201, 636881), (259, 494259), (469, 272949), (777, 164753), (1407, 90983), (2459, 52059), (2479, 51639), (7377, 17353), (7437, 17213)]