2547693

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:526

約数の個数: 20

約数和(自身を含む): 3868128

約数和(自身を除く): 1320435

約数列:

[1, 3, 9, 27, 71, 81, 213, 443, 639, 1329, 1917, 3987, 5751, 11961, 31453, 35883, 94359, 283077, 849231, 2547693]

約数ペア:

[(1, 2547693), (3, 849231), (9, 283077), (27, 94359), (71, 35883), (81, 31453), (213, 11961), (443, 5751), (639, 3987), (1329, 1917)]