385743393

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{27457}}^1$

素因数の和:27693

約数の個数: 24

約数和(自身を含む): 639661568

約数和(自身を除く): 253918175

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 14049, 27457, 82371, 192199, 247113, 576597, 1729791, 6122911, 18368733, 42860377, 55106199, 128581131, 385743393]

約数ペア:

[(1, 385743393), (3, 128581131), (7, 55106199), (9, 42860377), (21, 18368733), (63, 6122911), (223, 1729791), (669, 576597), (1561, 247113), (2007, 192199), (4683, 82371), (14049, 27457)]