28173777

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4217}}^1$

素因数の和:4368

約数の個数: 16

約数和(自身を含む): 40087872

約数和(自身を除く): 11914095

約数列:

[1, 3, 17, 51, 131, 393, 2227, 4217, 6681, 12651, 71689, 215067, 552427, 1657281, 9391259, 28173777]

約数ペア:

[(1, 28173777), (3, 9391259), (17, 1657281), (51, 552427), (131, 215067), (393, 71689), (2227, 12651), (4217, 6681)]