28618161

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3511}}^1$

素因数の和:3557

約数の個数: 32

約数和(自身を含む): 47201280

約数和(自身を除く): 18583119

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 3511, 8151, 10533, 38621, 45643, 66709, 115863, 136929, 200127, 502073, 733799, 867217, 1506219, 2201397, 2601651, 9539387, 28618161]

約数ペア:

[(1, 28618161), (3, 9539387), (11, 2601651), (13, 2201397), (19, 1506219), (33, 867217), (39, 733799), (57, 502073), (143, 200127), (209, 136929), (247, 115863), (429, 66709), (627, 45643), (741, 38621), (2717, 10533), (3511, 8151)]