401020921

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{1777}}^1$

素因数の和:2200

約数の個数: 16

約数和(自身を含む): 464498944

約数和(自身を除く): 63478023

約数列:

[1, 7, 103, 313, 721, 1777, 2191, 12439, 32239, 183031, 225673, 556201, 1281217, 3893407, 57288703, 401020921]

約数ペア:

[(1, 401020921), (7, 57288703), (103, 3893407), (313, 1281217), (721, 556201), (1777, 225673), (2191, 183031), (12439, 32239)]