81140073

素因数分解:

$3^1\times 7^1\times {\mathrm{1579}}^1\times {\mathrm{2447}}^1$

素因数の和:4036

約数の個数: 16

約数和(自身を含む): 123770880

約数和(自身を除く): 42630807

約数列:

[1, 3, 7, 21, 1579, 2447, 4737, 7341, 11053, 17129, 33159, 51387, 3863813, 11591439, 27046691, 81140073]

約数ペア:

[(1, 81140073), (3, 27046691), (7, 11591439), (21, 3863813), (1579, 51387), (2447, 33159), (4737, 17129), (7341, 11053)]