131535999

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{773}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 226354752

約数和(自身を除く): 94818753

約数列:

[1, 3, 7, 9, 21, 37, 63, 73, 111, 219, 259, 333, 511, 657, 773, 777, 1533, 2319, 2331, 2701, 4599, 5411, 6957, 8103, 16233, 18907, 24309, 28601, 48699, 56429, 56721, 85803, 169287, 170163, 200207, 257409, 395003, 507861, 600621, 1185009, 1801863, 2087873, 3555027, 6263619, 14615111, 18790857, 43845333, 131535999]

約数ペア:

[(1, 131535999), (3, 43845333), (7, 18790857), (9, 14615111), (21, 6263619), (37, 3555027), (63, 2087873), (73, 1801863), (111, 1185009), (219, 600621), (259, 507861), (333, 395003), (511, 257409), (657, 200207), (773, 170163), (777, 169287), (1533, 85803), (2319, 56721), (2331, 56429), (2701, 48699), (4599, 28601), (5411, 24309), (6957, 18907), (8103, 16233)]