13820877

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{509}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 22913280

約数和(自身を除く): 9092403

約数列:

[1, 3, 7, 9, 21, 63, 431, 509, 1293, 1527, 3017, 3563, 3879, 4581, 9051, 10689, 27153, 32067, 219379, 658137, 1535653, 1974411, 4606959, 13820877]

約数ペア:

[(1, 13820877), (3, 4606959), (7, 1974411), (9, 1535653), (21, 658137), (63, 219379), (431, 32067), (509, 27153), (1293, 10689), (1527, 9051), (3017, 4581), (3563, 3879)]