42170919

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{6997}}^1$

素因数の和:7055

約数の個数: 24

約数和(自身を含む): 67012848

約数和(自身を除く): 24841929

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 6997, 20991, 48979, 146937, 286877, 342853, 860631, 1028559, 2008139, 6024417, 14056973, 42170919]

約数ペア:

[(1, 42170919), (3, 14056973), (7, 6024417), (21, 2008139), (41, 1028559), (49, 860631), (123, 342853), (147, 286877), (287, 146937), (861, 48979), (2009, 20991), (6027, 6997)]