82778517

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{9551}}^1$

素因数の和:9670

約数の個数: 20

約数和(自身を含む): 124825536

約数和(自身を除く): 42047019

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 9551, 28653, 85959, 257877, 773631, 1021957, 3065871, 9197613, 27592839, 82778517]

約数ペア:

[(1, 82778517), (3, 27592839), (9, 9197613), (27, 3065871), (81, 1021957), (107, 773631), (321, 257877), (963, 85959), (2889, 28653), (8667, 9551)]