289490157

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 466065600

約数和(自身を除く): 176575443

約数列:

[1, 3, 9, 11, 33, 99, 109, 139, 193, 327, 417, 579, 981, 1199, 1251, 1529, 1737, 2123, 3597, 4587, 6369, 10791, 13761, 15151, 19107, 21037, 26827, 45453, 63111, 80481, 136359, 166661, 189333, 231407, 241443, 295097, 499983, 694221, 885291, 1499949, 2082663, 2655873, 2924143, 8772429, 26317287, 32165573, 96496719, 289490157]

約数ペア:

[(1, 289490157), (3, 96496719), (9, 32165573), (11, 26317287), (33, 8772429), (99, 2924143), (109, 2655873), (139, 2082663), (193, 1499949), (327, 885291), (417, 694221), (579, 499983), (981, 295097), (1199, 241443), (1251, 231407), (1529, 189333), (1737, 166661), (2123, 136359), (3597, 80481), (4587, 63111), (6369, 45453), (10791, 26827), (13761, 21037), (15151, 19107)]