31185729

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{2939}}^1$

素因数の和:3082

約数の個数: 20

約数和(自身を含む): 46957680

約数和(自身を除く): 15771951

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 2939, 3537, 8817, 10611, 26451, 79353, 238059, 385009, 1155027, 3465081, 10395243, 31185729]

約数ペア:

[(1, 31185729), (3, 10395243), (9, 3465081), (27, 1155027), (81, 385009), (131, 238059), (393, 79353), (1179, 26451), (2939, 10611), (3537, 8817)]