71927919

素因数分解:

$3^4\times 7^1\times {\mathrm{126857}}^1$

素因数の和:126876

約数の個数: 20

約数和(自身を含む): 122798544

約数和(自身を除く): 50870625

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 126857, 380571, 887999, 1141713, 2663997, 3425139, 7991991, 10275417, 23975973, 71927919]

約数ペア:

[(1, 71927919), (3, 23975973), (7, 10275417), (9, 7991991), (21, 3425139), (27, 2663997), (63, 1141713), (81, 887999), (189, 380571), (567, 126857)]