25978077

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{2341}}^1$

素因数の和:2490

約数の個数: 20

約数和(自身を含む): 39106716

約数和(自身を除く): 13128639

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 2341, 3699, 7023, 11097, 21069, 63207, 189621, 320717, 962151, 2886453, 8659359, 25978077]

約数ペア:

[(1, 25978077), (3, 8659359), (9, 2886453), (27, 962151), (81, 320717), (137, 189621), (411, 63207), (1233, 21069), (2341, 11097), (3699, 7023)]