81691686

素因数分解:

$2^1\times 3^3\times {\mathrm{1512809}}^1$

素因数の和:1512820

約数の個数: 16

約数和(自身を含む): 181537200

約数和(自身を除く): 99845514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1512809, 3025618, 4538427, 9076854, 13615281, 27230562, 40845843, 81691686]

約数ペア:

[(1, 81691686), (2, 40845843), (3, 27230562), (6, 13615281), (9, 9076854), (18, 4538427), (27, 3025618), (54, 1512809)]