3937947

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 5809440

約数和(自身を除く): 1871493

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 2729, 8187, 35477, 100973, 106431, 302919, 1312649, 3937947]

約数ペア:

[(1, 3937947), (3, 1312649), (13, 302919), (37, 106431), (39, 100973), (111, 35477), (481, 8187), (1443, 2729)]