1280559

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 2082688

約数和(自身を除く): 802129

約数列:

[1, 3, 7, 17, 21, 51, 119, 211, 289, 357, 633, 867, 1477, 2023, 3587, 4431, 6069, 10761, 25109, 60979, 75327, 182937, 426853, 1280559]

約数ペア:

[(1, 1280559), (3, 426853), (7, 182937), (17, 75327), (21, 60979), (51, 25109), (119, 10761), (211, 6069), (289, 4431), (357, 3587), (633, 2023), (867, 1477)]