128522817

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{213139}}^1$

素因数の和:213212

約数の個数: 12

約数和(自身を含む): 188415760

約数和(自身を除く): 59892943

約数列:

[1, 3, 9, 67, 201, 603, 213139, 639417, 1918251, 14280313, 42840939, 128522817]

約数ペア:

[(1, 128522817), (3, 42840939), (9, 14280313), (67, 1918251), (201, 639417), (603, 213139)]