28939815

素因数分解:

$3^3\times 5^1\times {\mathrm{463}}^2$

素因数の和:940

約数の個数: 24

約数和(自身を含む): 51559920

約数和(自身を除く): 22620105

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 463, 1389, 2315, 4167, 6945, 12501, 20835, 62505, 214369, 643107, 1071845, 1929321, 3215535, 5787963, 9646605, 28939815]

約数ペア:

[(1, 28939815), (3, 9646605), (5, 5787963), (9, 3215535), (15, 1929321), (27, 1071845), (45, 643107), (135, 214369), (463, 62505), (1389, 20835), (2315, 12501), (4167, 6945)]