2557899

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1408

約数の個数: 20

約数和(自身を含む): 3990096

約数和(自身を除く): 1432197

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1373, 1863, 4119, 12357, 31579, 37071, 94737, 111213, 284211, 852633, 2557899]

約数ペア:

[(1, 2557899), (3, 852633), (9, 284211), (23, 111213), (27, 94737), (69, 37071), (81, 31579), (207, 12357), (621, 4119), (1373, 1863)]