31287981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{1637}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 43714944

約数和(自身を除く): 12426963

約数列:

[1, 3, 23, 69, 277, 831, 1637, 4911, 6371, 19113, 37651, 112953, 453449, 1360347, 10429327, 31287981]

約数ペア:

[(1, 31287981), (3, 10429327), (23, 1360347), (69, 453449), (277, 112953), (831, 37651), (1637, 19113), (4911, 6371)]