639945789

素因数分解:

$3^1\times 7^1\times {\mathrm{4861}}^1\times {\mathrm{6269}}^1$

素因数の和:11140

約数の個数: 16

約数和(自身を含む): 975511680

約数和(自身を除く): 335565891

約数列:

[1, 3, 7, 21, 4861, 6269, 14583, 18807, 34027, 43883, 102081, 131649, 30473609, 91420827, 213315263, 639945789]

約数ペア:

[(1, 639945789), (3, 213315263), (7, 91420827), (21, 30473609), (4861, 131649), (6269, 102081), (14583, 43883), (18807, 34027)]