289558197

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{839}}^1\times {\mathrm{1237}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 432606720

約数和(自身を除く): 143048523

約数列:

[1, 3, 9, 31, 93, 279, 839, 1237, 2517, 3711, 7551, 11133, 26009, 38347, 78027, 115041, 234081, 345123, 1037843, 3113529, 9340587, 32173133, 96519399, 289558197]

約数ペア:

[(1, 289558197), (3, 96519399), (9, 32173133), (31, 9340587), (93, 3113529), (279, 1037843), (839, 345123), (1237, 234081), (2517, 115041), (3711, 78027), (7551, 38347), (11133, 26009)]