438828921

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{285139}}^1$

素因数の和:285170

約数の個数: 20

約数和(自身を含む): 690038800

約数和(自身を除く): 251209879

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 285139, 855417, 2566251, 5417641, 7698753, 16252923, 23096259, 48758769, 146276307, 438828921]

約数ペア:

[(1, 438828921), (3, 146276307), (9, 48758769), (19, 23096259), (27, 16252923), (57, 7698753), (81, 5417641), (171, 2566251), (513, 855417), (1539, 285139)]