81119961

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{25679}}^1$

素因数の和:25707

約数の個数: 24

約数和(自身を含む): 130865280

約数和(自身を除く): 49745319

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 25679, 77037, 231111, 333827, 693333, 1001481, 2079999, 3004443, 6239997, 9013329, 27039987, 81119961]

約数ペア:

[(1, 81119961), (3, 27039987), (9, 9013329), (13, 6239997), (27, 3004443), (39, 2079999), (81, 1001481), (117, 693333), (243, 333827), (351, 231111), (1053, 77037), (3159, 25679)]