11897985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72109}}^1$

素因数の和:72128

約数の個数: 16

約数和(自身を含む): 20767680

約数和(自身を除く): 8869695

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 72109, 216327, 360545, 793199, 1081635, 2379597, 3965995, 11897985]

約数ペア:

[(1, 11897985), (3, 3965995), (5, 2379597), (11, 1081635), (15, 793199), (33, 360545), (55, 216327), (165, 72109)]