30716721

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6679}}^1$

素因数の和:6765

約数の個数: 24

約数和(自身を含む): 51409280

約数和(自身を除く): 20692559

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 6679, 20037, 46753, 60111, 140259, 420777, 487567, 1462701, 3412969, 4388103, 10238907, 30716721]

約数ペア:

[(1, 30716721), (3, 10238907), (7, 4388103), (9, 3412969), (21, 1462701), (63, 487567), (73, 420777), (219, 140259), (511, 60111), (657, 46753), (1533, 20037), (4599, 6679)]