209412441

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{46817}}^1$

素因数の和:46901

約数の個数: 24

約数和(自身を含む): 350573184

約数和(自身を除く): 141160743

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 46817, 140451, 327719, 421353, 983157, 2949471, 3324007, 9972021, 23268049, 29916063, 69804147, 209412441]

約数ペア:

[(1, 209412441), (3, 69804147), (7, 29916063), (9, 23268049), (21, 9972021), (63, 3324007), (71, 2949471), (213, 983157), (497, 421353), (639, 327719), (1491, 140451), (4473, 46817)]