2149806849

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{3229}}^1\times {\mathrm{9649}}^1$

素因数の和:12904

約数の個数: 16

約数和(自身を含む): 2992272000

約数和(自身を除く): 842465151

約数列:

[1, 3, 23, 69, 3229, 9649, 9687, 28947, 74267, 221927, 222801, 665781, 31156621, 93469863, 716602283, 2149806849]

約数ペア:

[(1, 2149806849), (3, 716602283), (23, 93469863), (69, 31156621), (3229, 665781), (9649, 222801), (9687, 221927), (28947, 74267)]