399654

素因数分解:

$2^1\times 3^4\times {\mathrm{2467}}^1$

素因数の和:2481

約数の個数: 20

約数和(自身を含む): 895884

約数和(自身を除く): 496230

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 2467, 4934, 7401, 14802, 22203, 44406, 66609, 133218, 199827, 399654]

約数ペア:

[(1, 399654), (2, 199827), (3, 133218), (6, 66609), (9, 44406), (18, 22203), (27, 14802), (54, 7401), (81, 4934), (162, 2467)]