2043457521

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{619793}}^1$

素因数の和:619960

約数の個数: 16

約数和(自身を含む): 3133678464

約数和(自身を除く): 1090220943

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 619793, 1859379, 4338551, 13015653, 97307501, 291922503, 681152507, 2043457521]

約数ペア:

[(1, 2043457521), (3, 681152507), (7, 291922503), (21, 97307501), (157, 13015653), (471, 4338551), (1099, 1859379), (3297, 619793)]