81005961

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 113355424

約数和(自身を除く): 32349463

約数列:

[1, 3, 29, 87, 97, 291, 331, 841, 993, 2523, 2813, 8439, 9599, 28797, 32107, 81577, 96321, 244731, 278371, 835113, 931103, 2793309, 27001987, 81005961]

約数ペア:

[(1, 81005961), (3, 27001987), (29, 2793309), (87, 931103), (97, 835113), (291, 278371), (331, 244731), (841, 96321), (993, 81577), (2523, 32107), (2813, 28797), (8439, 9599)]