15552891

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1392

約数の個数: 20

約数和(自身を含む): 23400432

約数和(自身を除く): 7847541

約数列:

[1, 3, 9, 27, 81, 157, 471, 1223, 1413, 3669, 4239, 11007, 12717, 33021, 99063, 192011, 576033, 1728099, 5184297, 15552891]

約数ペア:

[(1, 15552891), (3, 5184297), (9, 1728099), (27, 576033), (81, 192011), (157, 99063), (471, 33021), (1223, 12717), (1413, 11007), (3669, 4239)]