81711231

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{228883}}^1$

素因数の和:228910

約数の個数: 16

約数和(自身を含む): 131837184

約数和(自身を除く): 50125953

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 228883, 686649, 1602181, 3891011, 4806543, 11673033, 27237077, 81711231]

約数ペア:

[(1, 81711231), (3, 27237077), (7, 11673033), (17, 4806543), (21, 3891011), (51, 1602181), (119, 686649), (357, 228883)]