408885489

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{9689}}^1$

素因数の和:10222

約数の個数: 20

約数和(自身を含む): 612039780

約数和(自身を除く): 203154291

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 9689, 14067, 29067, 42201, 87201, 261603, 784809, 5047969, 15143907, 45431721, 136295163, 408885489]

約数ペア:

[(1, 408885489), (3, 136295163), (9, 45431721), (27, 15143907), (81, 5047969), (521, 784809), (1563, 261603), (4689, 87201), (9689, 42201), (14067, 29067)]