71052387

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 110702592

約数和(自身を除く): 39650205

約数列:

[1, 3, 7, 21, 103, 107, 307, 309, 321, 721, 749, 921, 2149, 2163, 2247, 6447, 11021, 31621, 32849, 33063, 77147, 94863, 98547, 221347, 229943, 231441, 664041, 689829, 3383447, 10150341, 23684129, 71052387]

約数ペア:

[(1, 71052387), (3, 23684129), (7, 10150341), (21, 3383447), (103, 689829), (107, 664041), (307, 231441), (309, 229943), (321, 221347), (721, 98547), (749, 94863), (921, 77147), (2149, 33063), (2163, 32849), (2247, 31621), (6447, 11021)]