128460411

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{42863}}^1$

素因数の和:42912

約数の個数: 20

約数和(自身を含む): 197088672

約数和(自身を除く): 68628261

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 42863, 128589, 385767, 1157301, 1585931, 3471903, 4757793, 14273379, 42820137, 128460411]

約数ペア:

[(1, 128460411), (3, 42820137), (9, 14273379), (27, 4757793), (37, 3471903), (81, 1585931), (111, 1157301), (333, 385767), (999, 128589), (2997, 42863)]