211030389

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{2521}}^1$

素因数の和:2729

約数の個数: 24

約数和(自身を含む): 311598144

約数和(自身を除く): 100567755

約数列:

[1, 3, 9, 71, 131, 213, 393, 639, 1179, 2521, 7563, 9301, 22689, 27903, 83709, 178991, 330251, 536973, 990753, 1610919, 2972259, 23447821, 70343463, 211030389]

約数ペア:

[(1, 211030389), (3, 70343463), (9, 23447821), (71, 2972259), (131, 1610919), (213, 990753), (393, 536973), (639, 330251), (1179, 178991), (2521, 83709), (7563, 27903), (9301, 22689)]