81681426

素因数分解:

$2^1\times 3^3\times {\mathrm{1512619}}^1$

素因数の和:1512630

約数の個数: 16

約数和(自身を含む): 181514400

約数和(自身を除く): 99832974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1512619, 3025238, 4537857, 9075714, 13613571, 27227142, 40840713, 81681426]

約数ペア:

[(1, 81681426), (2, 40840713), (3, 27227142), (6, 13613571), (9, 9075714), (18, 4537857), (27, 3025238), (54, 1512619)]