128395521

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 205770240

約数和(自身を除く): 77374719

約数列:

[1, 3, 9, 19, 31, 53, 57, 93, 159, 171, 279, 457, 477, 589, 1007, 1371, 1643, 1767, 3021, 4113, 4929, 5301, 8683, 9063, 14167, 14787, 24221, 26049, 31217, 42501, 72663, 78147, 93651, 127503, 217989, 269173, 280953, 460199, 750851, 807519, 1380597, 2252553, 2422557, 4141791, 6757659, 14266169, 42798507, 128395521]

約数ペア:

[(1, 128395521), (3, 42798507), (9, 14266169), (19, 6757659), (31, 4141791), (53, 2422557), (57, 2252553), (93, 1380597), (159, 807519), (171, 750851), (279, 460199), (457, 280953), (477, 269173), (589, 217989), (1007, 127503), (1371, 93651), (1643, 78147), (1767, 72663), (3021, 42501), (4113, 31217), (4929, 26049), (5301, 24221), (8683, 14787), (9063, 14167)]