217155087

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{57041}}^1$

素因数の和:57100

約数の個数: 20

約数和(自身を含む): 331299936

約数和(自身を除く): 114144849

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 57041, 171123, 513369, 1540107, 2680927, 4620321, 8042781, 24128343, 72385029, 217155087]

約数ペア:

[(1, 217155087), (3, 72385029), (9, 24128343), (27, 8042781), (47, 4620321), (81, 2680927), (141, 1540107), (423, 513369), (1269, 171123), (3807, 57041)]