81206037

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3851}}^1$

素因数の和:3942

約数の個数: 32

約数和(自身を含む): 133125120

約数和(自身を除く): 51919083

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1917, 2343, 3851, 7029, 11553, 21087, 34659, 42361, 103977, 127083, 273421, 381249, 820263, 1143747, 2460789, 3007631, 7382367, 9022893, 27068679, 81206037]

約数ペア:

[(1, 81206037), (3, 27068679), (9, 9022893), (11, 7382367), (27, 3007631), (33, 2460789), (71, 1143747), (99, 820263), (213, 381249), (297, 273421), (639, 127083), (781, 103977), (1917, 42361), (2343, 34659), (3851, 21087), (7029, 11553)]