28439559

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 43760640

約数和(自身を除く): 15321081

約数列:

[1, 3, 9, 27, 47, 73, 141, 219, 307, 423, 657, 921, 1269, 1971, 2763, 3431, 8289, 10293, 14429, 22411, 30879, 43287, 67233, 92637, 129861, 201699, 389583, 605097, 1053317, 3159951, 9479853, 28439559]

約数ペア:

[(1, 28439559), (3, 9479853), (9, 3159951), (27, 1053317), (47, 605097), (73, 389583), (141, 201699), (219, 129861), (307, 92637), (423, 67233), (657, 43287), (921, 30879), (1269, 22411), (1971, 14429), (2763, 10293), (3431, 8289)]