31650489

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{20809}}^1$

素因数の和:20841

約数の個数: 18

約数和(自身を含む): 49506990

約数和(自身を除く): 17856501

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 20809, 62427, 187281, 270517, 811551, 2434653, 3516721, 10550163, 31650489]

約数ペア:

[(1, 31650489), (3, 10550163), (9, 3516721), (13, 2434653), (39, 811551), (117, 270517), (169, 187281), (507, 62427), (1521, 20809)]