128358621

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{42071}}^1$

素因数の和:42193

約数の個数: 16

約数和(自身を含む): 191848320

約数和(自身を除く): 63489699

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 42071, 126213, 378639, 1135917, 4754023, 14262069, 42786207, 128358621]

約数ペア:

[(1, 128358621), (3, 42786207), (9, 14262069), (27, 4754023), (113, 1135917), (339, 378639), (1017, 126213), (3051, 42071)]