15255639

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2351}}^1$

素因数の和:2467

約数の個数: 24

約数和(自身を含む): 25439232

約数和(自身を除く): 10183593

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 2351, 6489, 7053, 16457, 21159, 49371, 148113, 242153, 726459, 1695071, 2179377, 5085213, 15255639]

約数ペア:

[(1, 15255639), (3, 5085213), (7, 2179377), (9, 1695071), (21, 726459), (63, 242153), (103, 148113), (309, 49371), (721, 21159), (927, 16457), (2163, 7053), (2351, 6489)]