28357173

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 47764080

約数和(自身を除く): 19406907

約数列:

[1, 3, 9, 13, 17, 39, 51, 53, 117, 153, 159, 221, 269, 477, 663, 689, 807, 901, 1989, 2067, 2421, 2703, 3497, 4573, 6201, 8109, 10491, 11713, 13719, 14257, 31473, 35139, 41157, 42771, 59449, 105417, 128313, 178347, 185341, 242369, 535041, 556023, 727107, 1668069, 2181321, 3150797, 9452391, 28357173]

約数ペア:

[(1, 28357173), (3, 9452391), (9, 3150797), (13, 2181321), (17, 1668069), (39, 727107), (51, 556023), (53, 535041), (117, 242369), (153, 185341), (159, 178347), (221, 128313), (269, 105417), (477, 59449), (663, 42771), (689, 41157), (807, 35139), (901, 31473), (1989, 14257), (2067, 13719), (2421, 11713), (2703, 10491), (3497, 8109), (4573, 6201)]