263169963

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 445798080

約数和(自身を除く): 182628117

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 269, 293, 371, 477, 807, 879, 1113, 1883, 2051, 2421, 2637, 3339, 5649, 6153, 14257, 15529, 16947, 18459, 42771, 46587, 78817, 99799, 108703, 128313, 139761, 236451, 299397, 326109, 551719, 709353, 898191, 978327, 1655157, 4177301, 4965471, 12531903, 29241107, 37595709, 87723321, 263169963]

約数ペア:

[(1, 263169963), (3, 87723321), (7, 37595709), (9, 29241107), (21, 12531903), (53, 4965471), (63, 4177301), (159, 1655157), (269, 978327), (293, 898191), (371, 709353), (477, 551719), (807, 326109), (879, 299397), (1113, 236451), (1883, 139761), (2051, 128313), (2421, 108703), (2637, 99799), (3339, 78817), (5649, 46587), (6153, 42771), (14257, 18459), (15529, 16947)]