28457541

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 51281280

約数和(自身を除く): 22823739

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 289, 357, 459, 521, 867, 1071, 1563, 2023, 2601, 3213, 3647, 4689, 6069, 7803, 8857, 10941, 14067, 18207, 26571, 32823, 54621, 61999, 79713, 98469, 150569, 185997, 239139, 451707, 557991, 1053983, 1355121, 1673973, 3161949, 4065363, 9485847, 28457541]

約数ペア:

[(1, 28457541), (3, 9485847), (7, 4065363), (9, 3161949), (17, 1673973), (21, 1355121), (27, 1053983), (51, 557991), (63, 451707), (119, 239139), (153, 185997), (189, 150569), (289, 98469), (357, 79713), (459, 61999), (521, 54621), (867, 32823), (1071, 26571), (1563, 18207), (2023, 14067), (2601, 10941), (3213, 8857), (3647, 7803), (4689, 6069)]