31497081

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136351}}^1$

素因数の和:136372

約数の個数: 16

約数和(自身を含む): 52359168

約数和(自身を除く): 20862087

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 136351, 409053, 954457, 1499861, 2863371, 4499583, 10499027, 31497081]

約数ペア:

[(1, 31497081), (3, 10499027), (7, 4499583), (11, 2863371), (21, 1499861), (33, 954457), (77, 409053), (231, 136351)]