20161567293

素因数分解:

$3^1\times 7^2\times {\mathrm{1579}}^1\times {\mathrm{86861}}^1$

素因数の和:88457

約数の個数: 24

約数和(自身を含む): 31291166880

約数和(自身を除く): 11129599587

約数列:

[1, 3, 7, 21, 49, 147, 1579, 4737, 11053, 33159, 77371, 86861, 232113, 260583, 608027, 1824081, 4256189, 12768567, 137153519, 411460557, 960074633, 2880223899, 6720522431, 20161567293]

約数ペア:

[(1, 20161567293), (3, 6720522431), (7, 2880223899), (21, 960074633), (49, 411460557), (147, 137153519), (1579, 12768567), (4737, 4256189), (11053, 1824081), (33159, 608027), (77371, 260583), (86861, 232113)]