199616823

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 341140800

約数和(自身を除く): 141523977

約数列:

[1, 3, 7, 9, 21, 41, 63, 109, 123, 287, 327, 369, 709, 763, 861, 981, 2127, 2289, 2583, 4469, 4963, 6381, 6867, 13407, 14889, 29069, 31283, 40221, 44667, 77281, 87207, 93849, 203483, 231843, 261621, 281547, 540967, 610449, 695529, 1622901, 1831347, 3168521, 4868703, 9505563, 22179647, 28516689, 66538941, 199616823]

約数ペア:

[(1, 199616823), (3, 66538941), (7, 28516689), (9, 22179647), (21, 9505563), (41, 4868703), (63, 3168521), (109, 1831347), (123, 1622901), (287, 695529), (327, 610449), (369, 540967), (709, 281547), (763, 261621), (861, 231843), (981, 203483), (2127, 93849), (2289, 87207), (2583, 77281), (4469, 44667), (4963, 40221), (6381, 31283), (6867, 29069), (13407, 14889)]