257836041

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{74027}}^1$

素因数の和:74082

約数の個数: 20

約数和(自身を含む): 394125072

約数和(自身を除く): 136289031

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 74027, 222081, 666243, 1998729, 3183161, 5996187, 9549483, 28648449, 85945347, 257836041]

約数ペア:

[(1, 257836041), (3, 85945347), (9, 28648449), (27, 9549483), (43, 5996187), (81, 3183161), (129, 1998729), (387, 666243), (1161, 222081), (3483, 74027)]