11981805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72617}}^1$

素因数の和:72636

約数の個数: 16

約数和(自身を含む): 20913984

約数和(自身を除く): 8932179

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 72617, 217851, 363085, 798787, 1089255, 2396361, 3993935, 11981805]

約数ペア:

[(1, 11981805), (3, 3993935), (5, 2396361), (11, 1089255), (15, 798787), (33, 363085), (55, 217851), (165, 72617)]