28168779

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2311}}^1$

素因数の和:2570

約数の個数: 16

約数和(自身を含む): 39951360

約数和(自身を除く): 11782581

約数列:

[1, 3, 17, 51, 239, 717, 2311, 4063, 6933, 12189, 39287, 117861, 552329, 1656987, 9389593, 28168779]

約数ペア:

[(1, 28168779), (3, 9389593), (17, 1656987), (51, 552329), (239, 117861), (717, 39287), (2311, 12189), (4063, 6933)]