177877863

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{20147}}^1$

素因数の和:20268

約数の個数: 20

約数和(自身を含む): 268169880

約数和(自身を除く): 90292017

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 20147, 60441, 181323, 543969, 1631907, 2196023, 6588069, 19764207, 59292621, 177877863]

約数ペア:

[(1, 177877863), (3, 59292621), (9, 19764207), (27, 6588069), (81, 2196023), (109, 1631907), (327, 543969), (981, 181323), (2943, 60441), (8829, 20147)]