81129909

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{72893}}^1$

素因数の和:72956

約数の個数: 16

約数和(自身を含む): 125960832

約数和(自身を除く): 44830923

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 72893, 218679, 510251, 1530753, 3863329, 11589987, 27043303, 81129909]

約数ペア:

[(1, 81129909), (3, 27043303), (7, 11589987), (21, 3863329), (53, 1530753), (159, 510251), (371, 218679), (1113, 72893)]