80236818

素因数分解:

$2^1\times 3^4\times {\mathrm{495289}}^1$

素因数の和:495303

約数の個数: 20

約数和(自身を含む): 179790270

約数和(自身を除く): 99553452

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 495289, 990578, 1485867, 2971734, 4457601, 8915202, 13372803, 26745606, 40118409, 80236818]

約数ペア:

[(1, 80236818), (2, 40118409), (3, 26745606), (6, 13372803), (9, 8915202), (18, 4457601), (27, 2971734), (54, 1485867), (81, 990578), (162, 495289)]