83880891

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{881}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 123832800

約数和(自身を除く): 39951909

約数列:

[1, 3, 9, 71, 149, 213, 447, 639, 881, 1341, 2643, 7929, 10579, 31737, 62551, 95211, 131269, 187653, 393807, 562959, 1181421, 9320099, 27960297, 83880891]

約数ペア:

[(1, 83880891), (3, 27960297), (9, 9320099), (71, 1181421), (149, 562959), (213, 393807), (447, 187653), (639, 131269), (881, 95211), (1341, 62551), (2643, 31737), (7929, 10579)]