289170021

素因数分解:

$3^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{5669}}^1$

素因数の和:6033

約数の個数: 24

約数和(自身を含む): 449880480

約数和(自身を除く): 160710459

約数列:

[1, 3, 7, 21, 49, 147, 347, 1041, 2429, 5669, 7287, 17003, 17007, 39683, 51009, 119049, 277781, 833343, 1967143, 5901429, 13770001, 41310003, 96390007, 289170021]

約数ペア:

[(1, 289170021), (3, 96390007), (7, 41310003), (21, 13770001), (49, 5901429), (147, 1967143), (347, 833343), (1041, 277781), (2429, 119049), (5669, 51009), (7287, 39683), (17003, 17007)]