128193759

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{4243}}^1$

素因数の和:4628

約数の個数: 20

約数和(自身を含む): 192057976

約数和(自身を除く): 63864217

約数列:

[1, 3, 9, 27, 81, 373, 1119, 3357, 4243, 10071, 12729, 30213, 38187, 114561, 343683, 1582639, 4747917, 14243751, 42731253, 128193759]

約数ペア:

[(1, 128193759), (3, 42731253), (9, 14243751), (27, 4747917), (81, 1582639), (373, 343683), (1119, 114561), (3357, 38187), (4243, 30213), (10071, 12729)]