28809651

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5639}}^1$

素因数の和:5786

約数の個数: 16

約数和(自身を含む): 41690880

約数和(自身を除く): 12881229

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 5639, 16917, 73307, 219921, 738709, 2216127, 9603217, 28809651]

約数ペア:

[(1, 28809651), (3, 9603217), (13, 2216127), (39, 738709), (131, 219921), (393, 73307), (1703, 16917), (5109, 5639)]