31571163

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1811}}^1$

素因数の和:1979

約数の個数: 24

約数和(自身を含む): 49467600

約数和(自身を除く): 17896437

約数列:

[1, 3, 9, 13, 39, 117, 149, 447, 1341, 1811, 1937, 5433, 5811, 16299, 17433, 23543, 70629, 211887, 269839, 809517, 2428551, 3507907, 10523721, 31571163]

約数ペア:

[(1, 31571163), (3, 10523721), (9, 3507907), (13, 2428551), (39, 809517), (117, 269839), (149, 211887), (447, 70629), (1341, 23543), (1811, 17433), (1937, 16299), (5433, 5811)]