401037777

素因数分解:

$3^3\times 7^1\times {\mathrm{2121893}}^1$

素因数の和:2121909

約数の個数: 16

約数和(自身を含む): 679006080

約数和(自身を除く): 277968303

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2121893, 6365679, 14853251, 19097037, 44559753, 57291111, 133679259, 401037777]

約数ペア:

[(1, 401037777), (3, 133679259), (7, 57291111), (9, 44559753), (21, 19097037), (27, 14853251), (63, 6365679), (189, 2121893)]