39720303

素因数分解:

$3^2\times 7^1\times {\mathrm{630481}}^1$

素因数の和:630494

約数の個数: 12

約数和(自身を含む): 65570128

約数和(自身を除く): 25849825

約数列:

[1, 3, 7, 9, 21, 63, 630481, 1891443, 4413367, 5674329, 13240101, 39720303]

約数ペア:

[(1, 39720303), (3, 13240101), (7, 5674329), (9, 4413367), (21, 1891443), (63, 630481)]