31288437

素因数分解:

$3^5\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 47130720

約数和(自身を除く): 15842283

約数列:

[1, 3, 9, 27, 81, 243, 331, 389, 993, 1167, 2979, 3501, 8937, 10503, 26811, 31509, 80433, 94527, 128759, 386277, 1158831, 3476493, 10429479, 31288437]

約数ペア:

[(1, 31288437), (3, 10429479), (9, 3476493), (27, 1158831), (81, 386277), (243, 128759), (331, 94527), (389, 80433), (993, 31509), (1167, 26811), (2979, 10503), (3501, 8937)]