28943211

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18661}}^1$

素因数の和:18722

約数の個数: 16

約数和(自身を含む): 42997248

約数和(自身を除く): 14054037

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 18661, 55983, 205271, 615813, 877067, 2631201, 9647737, 28943211]

約数ペア:

[(1, 28943211), (3, 9647737), (11, 2631201), (33, 877067), (47, 615813), (141, 205271), (517, 55983), (1551, 18661)]