208653759

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{179719}}^1$

素因数の和:179771

約数の個数: 16

約数和(自身を含む): 316307200

約数和(自身を除く): 107653441

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 179719, 539157, 1617471, 4852413, 7727917, 23183751, 69551253, 208653759]

約数ペア:

[(1, 208653759), (3, 69551253), (9, 23183751), (27, 7727917), (43, 4852413), (129, 1617471), (387, 539157), (1161, 179719)]