1982156913

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{31333}}^1$

素因数の和:31427

約数の個数: 40

約数和(自身を含む): 3275781696

約数和(自身を除く): 1293624783

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 213, 297, 639, 781, 891, 1917, 2343, 5751, 7029, 21087, 31333, 63261, 93999, 281997, 344663, 845991, 1033989, 2224643, 2537973, 3101967, 6673929, 9305901, 20021787, 24471073, 27917703, 60065361, 73413219, 180196083, 220239657, 660718971, 1982156913]

約数ペア:

[(1, 1982156913), (3, 660718971), (9, 220239657), (11, 180196083), (27, 73413219), (33, 60065361), (71, 27917703), (81, 24471073), (99, 20021787), (213, 9305901), (297, 6673929), (639, 3101967), (781, 2537973), (891, 2224643), (1917, 1033989), (2343, 845991), (5751, 344663), (7029, 281997), (21087, 93999), (31333, 63261)]